Henry Aaron and Sadaharu Oh: Global Home Run Kings and Goodwill Ambassadors

In his Yomiuri Giants uniform, Sadaharu Oh watches Henry Aaron take his stance at a home-run hitting contest between the two sluggers on November 2, 1974, at Tokyo’s Korakuen Stadium. (SABR-Rucker Archive)

 

On November 2, 1974, at Korakuen Stadium in the Bunkyo ward of Tokyo, Japan, two of the greatest sluggers in professional baseball history met for an unprecedented global home run-hitting contest.1 The anticipated event brought together Sadaharu Oh, the preeminent hitter of Nippon Professional Baseball and first baseman for the Yomiuri Giants, and Henry Aaron, the perennial All-Star outfielder of the Atlanta Braves.

The circumstances surrounding the contest were historic. At the beginning of the 1974 season, Aaron broke one of the most sacred records in sports when he surpassed Babe Ruth’s career record of 714 home runs. When Hank passed the Babe on April 8, 1974, Oh sent a celebratory message through the Atlanta Journal. The message, relayed by Japanese sportswriter Akira Matsubara, was simple and direct: “Congratulations No. 715 – Sadaharu Oh.”2

Immediately after the record-breaking feat, global baseball fans, and even Oh himself, were confident he would ultimately break Aaron’s new benchmark. Entering his age-34 season and in his prime, Oh had already amassed 586 career home runs and maintained an impressive average of 45.67 homers per year as the Central League’s home-run champion for 12 consecutive seasons (1962-1973).3 Oh publicly stated his confidence in the home-run record pursuit: “With due respect, all I need are 130 to catch up with Aaron … and I hope to still be hustling until I reach 40.” He even calculated his target date, noting, “If I set my goal at 40 home runs a year, in five years I should total 785, a figure Aaron is not likely to reach.”4 Factors favoring Oh included his age, his hot pace at the plate, the smaller ballparks in Japan, and the sheer motivation provided by the world-record challenge.5

This home-run competition was facilitated by the organizers of the Japan-US All-Star Series, an exhibition that served as a gesture of baseball diplomacy in the postwar era. The event not only generated international baseball goodwill, it also proved financially significant for the sluggers, with Aaron earning $50,000 and Oh $20,000 from the CBS television network.7

Few observers knew that this 1974 contest was not the first time the two sluggers shared a professional field. During the 1967 spring-training season, Oh and teammate Shigeo Nagashima were among a handful of Yomiuri Giants training with the Los Angeles Dodgers at Dodgertown in Vero Beach, Florida. In an exhibition game against the Atlanta Braves on March 11, Oh played a few innings at first base for the Dodgers. While the Japanese star went hitless in two at-bats, Aaron went 3-for-3, including a double, helping the Braves win 3-0.8

SHARED LIFE EXPERIENCES

Despite their geographical, racial, and cultural differences, Aaron and Oh shared strikingly similar backgrounds and life experiences. Physically, both were slender compared with celebrated sluggers like Ruth, Jimmie Foxx, and Josh Gibson. Aaron stood 6-feet-0 and weighed 180 pounds throughout most of his career, while Oh was 5-feet-10 and 180 pounds. What they lacked in size, they made up for in technique, mental toughness, discipline, and a commitment to being the best versions of themselves on the field.

Off the field, both men fought systemic racism in the ongoing fight for dignity and respect. Aaron’s rise to stardom was a battle against racial prejudice in the segregated American South. Jackie Robinson was young Henry’s hero, and Robinson breaking the color barrier in 1947 gave 13-year-old Henry hope that a career in the major leagues could become a reality. Oh, a Chinese national raised in Japan, faced cultural and political friction because of his heritage. As a teen, he was banned from playing in the national high-school baseball tournament, the Koshien, because of his mixed ethnicity.9 As a youth, he viewed Wally Yonamine as a role model, as the American star with the Yomiuri Giants also struggled for acceptance for not being fully Japanese.10 For both Aaron and Oh, these obstacles fueled the fires of determination to become the greatest to ever play the game.

DIFFERENT GAME CONDITIONS

A contextual comparison of baseball in North American MLB vs. Japan’s NPB is important to appreciate their on-field achievements and dominance in their respective leagues.11 Key differences included:

• Schedule length: The US major leagues’ schedule was significantly longer (162 games) than NPB’s (approximately 130 games).
• Ballpark sizes: US fields generally featured large, symmetrical dimensions, while NPB fields were often smaller, notably Oh’s home field, Korakuen Stadium, which favored home runs.
• The ball: While the US majors used standard ball specifications, the NPB baseball was rumored to be slightly smaller or “livelier,” potentially contributing to greater fly-ball carry.

When comparing Aaron and Oh, some analysts suggested that had Aaron played his entire career in Japan, he would have hit fewer than 755 career homers because of his weakness against the low breaking ball – a strength of many Japanese pitchers.12

CONTRASTING HITTING STYLES

The differences in their technical approaches to hitting are arguably the most fascinating features of their friendly rivalry. Aaron embodied classical, economic power, while Oh developed a unique martial arts-inspired technique.

Aaron’s power was often masked by his lean build and mild-mannered demeanor, traits that concealed the violence he inflicted on the baseball. His efficient, short, and compact swing generated massive bat speed, driven primarily by an explosive wrist snap at contact. Consistency was key – he repeated that smooth swing effectively throughout his 23-season career.

Oh’s batting stance, the “Ippon-ashi” (one-legged stance), was a revolutionary technique inspired by Kenjutsu (Japanese swordsmanship) and developed in collaboration with his coach, Hiroshi Arakawa, in the late 1950s.13 The secret to Oh’s ability to hit for distance was further refined during a trip to the Dodgers’ 1960 spring-training camp. Oh said he “learned to step in and meet the ball” and picked up key insights from watching Dodgers slugger Frank Howard. Oh recalled that Howard’s balls consistently traveled an average of 360 feet.14 Oh used a smaller step than American major leaguers, and attributed his power to his strong wrists, which he developed by swinging bamboo swords in the manner of a Samurai warrior.15

Aaron referred to Oh as the “swinging scarecrow,” a description Oh reportedly coined himself to describe his unique style of raising his front leg high in the air.16 The Ippon-ashi produced an intense transfer of kinetic energy, maximizing the rotational force. Aaron, despite his own skills, expressed amazement at Oh’s ability to generate power with the move. “The thing that impresses me most is how he gets his timing with his leg up in the air like that,” Aaron told reporters.17

Oh, in turn, was in awe of Aaron’s power and endurance. Oh was amazed at how easily Aaron blasted pitches into the seats after finishing a 17½-hour plane ride. Oh succinctly commented, “He makes good use of his bat.”18

CHALLENGE ISSUED

Months before the scheduled contest, the prospect of a home-run derby between the two sluggers was already generating intense interest. In June 1974 reports indicated that Aaron was eager to take on the challenge presented by the “Japanese Babe Ruth.” Aaron admitted that he knew little about Oh until the press informed him that the Japanese slugger intended to pursue his new record. Aaron was immediately interested and motivated.19

“I’d like to have a home-run hitting contest with him,” Aaron declared. “We can go to Japan, or have it here. … If the right offer comes along for a home-run hitting contest between him and me, I’ll accept the challenge.”20

Despite the contest taking place during the offseason, Aaron stressed his dedication to the competition: “It’ll take me a couple of days to get back in shape. … But all I need is maybe three or four days to get my eye back, then I’d like to take him on; and may the best man win.” He added, “I certainly would take it seriously. I don’t put on my uniform for nothing. When I go to work I go with all my tools and I take it seriously.”21

THE GLOBAL HR DERBY

The contest at Korakuen Stadium was governed by specific rules – each player was allowed to hit 20 fair balls, with strikes, balls, and foul balls not counting against the total swing limit. This format allowed hitters to be extremely patient and select only “fat pitches” they could drive for distance. Aaron eagerly awaited the first pitch, saying, “I’ve always been able to be patient at the plate. I took balls I didn’t think I could hit out of the ballpark. In a ballgame you don’t have time to make up your mind about things like that.”22

Roughly 50,000 fans attended the event. Oh was served pitches by Kuniyasu Mine, the Giants’ batting-practice pitcher, while Aaron was pitched to by Joe Pignatano, the pitching coach for the visiting New York Mets. Aaron had not swung a bat in a game for over a month and used a model borrowed from Mets player Ed Kranepool.23

Oh, wearing his No. 1 white Yomiuri Giants uniform, began the contest strongly, belting three home runs in his first five fair balls. Aaron, sporting his No. 44 Atlanta Braves home white uniform, hit two in his first five attempts. The Associated Press report detailed results of the back-and-forth contest:

• After Oh’s second turn, Aaron trailed 6-2.
• Aaron responded quickly, tying the contest (6-6) by hitting four homers in his second group of five fair hits.
• Oh managed only one homer in his third turn, allowing Aaron to take a 9-7 lead.
• On his last turn, Oh tied the score at 9-9. His final two hits – one off the right-center-field wall and one nearly to the fence – could have won the contest but remained in the park.

Aaron, needing only one home run to secure the victory, stepped up for his final turn. “I was glad I only needed one,” he admitted. “The bat was beginning to get heavy in my hands.” Aaron finished the contest by hitting the left-center-field wall, grounding out through the shortstop, and then launching a towering blast down the 97.5-meter (320-foot) left-field line for his 10th home run. The final score:

• Hank Aaron: 10 home runs (in 18 fair balls)
• Sadaharu Oh: 9 home runs (in 20 fair balls)

Aaron downplayed the significance of the result, echoing the humility of both players that the exhibition did not prove “world home run supremacy.” However, he called the event a “big occasion,” adding, “It didn’t prove one thing … but I was happy to be here in Japan and to get a chance to see Oh perform.”24

The contest was immediately followed by a game between the Mets and a Japanese all-star team.25 Oh went directly from the contest into the game against the Mets. In the seventh inning, he hit another long blast (112.3 meters/368 feet) to the right-center-field wall, which resulted in a double, one of only two hits given up by Mets pitcher Jon Matlack.26

GLOBAL LEGACY

After the 1974 contest in Tokyo, Aaron played two more seasons. While in Japan, he learned that he had been traded to the Milwaukee Brewers, where he retired in 1976 with 755 home runs. Oh retired in 1980 with the world record of 868 career professional home runs.

Oh remained hands-on in baseball management and coaching with the Yomiuri Giants and Fukuoka SoftBank Hawks, while Aaron moved into a front-office and business role with the Atlanta Braves.27 Their shared respect led them to an even deeper, global baseball partnership.

In 1989 the two legends announced the formation of the World Children’s Baseball Fair, a nonprofit international charitable foundation. Its mission was to provide grants and support to needy young athletes around the world, hosting annual events in the US and elsewhere to raise scholarship funds. Speaking about the foundation, Aaron revealed that he and Oh shared the same values and sense of gratitude for the game they both loved, saying: “The World Children’s Baseball Fair fulfills a dream of Oh’s. I return all of the good things I have gotten from baseball to the society through the children of the world.”28

Oh noted that the partnership was critical to making the event truly global: “After I retired, I explained to Hank my idea of the World Children’s Baseball Fair and he thought it was a good one. … So he told me that he would take care of developing it in the USA, while I was taking care of it in Japan. This way it was really going to be a World Fair.”29

A NEW ERA OF BASEBALL DIPLOMACY

The foundation put both men in the spotlight as global baseball ambassadors. In 2006 they found themselves central to the launch of the inaugural World Baseball Classic, a true global competition. Oh managed Team Japan, leading the squad to victory against Cuba in the 16-nation tournament. Aaron participated in the opening ceremonies of the championship game.

For the ceremonial first pitch, the two men walked arm-in-arm onto the field, an iconic moment symbolizing the bridge between the US and Japanese major leagues. Oh was reflective during the tournament, observing the profound growth of the game he and Aaron championed: “I never remember seeing this level of excitement from fans and players,” he said of the atmosphere. He also commented on the evolution of the players’ physical abilities, noting, “The thing that has changed, that you can notice and that all fans will notice, is that pitchers are throwing harder, and that means hitters need to swing the bat faster. Batters are getting bigger.”30

Oh also connected the WBC’s success back to their shared philanthropic mission: “There’s nothing that makes me happier. I’ve always thought that as soon as kids learn to embrace baseball, you find something enjoyable about yourself and baseball. I feel that this is something that was a dream, not just from myself, but Hank Aaron, too. I feel happy about this, and I feel Hank Aaron would also be very happy about where we are right now.”31

SYMBOLS OF GLOBAL BASEBALL HARMONY

The 1974 contest, and the enduring bond it created, stands as one of baseball’s most important acts of cross-cultural connection. It offered a rare and meaningful opportunity for two of the game’s greatest hitters to meet and compete on equal ground. Both men recognized that their shared pursuit of excellence, achieved amid adversity, had united them in a lifelong friendship built on deep mutual respect.

Together, their legacy transcends their combined total of 1,623 home runs (Oh’s 868 and Aaron’s 755). It tells a story of global harmony, achieved through the universal language of baseball. In his autobiography A Zen Way of Baseball, Oh reflected, “My baseball career was a long, long initiation into a single secret: At the heart of all things is love.” He expanded on this revelation, explaining that he came to see no true enemies on the field, only opponents whose strengths, when combined with his own, created something greater. Oh ultimately came to view all beings as one with the universe, existing in harmony rather than in opposition. In that sense, Oh and Aaron were, in spirit, one.32

BILL STAPLES JR. of Chandler, Arizona, is passionate about uncovering and sharing the untold stories of the “international pastime.” A SABR member since 2006, he focuses his expertise on Japanese American and Negro Leagues baseball history, using these contexts to explore themes of civil rights, cross-cultural relations, and globalization. He serves as a board member of the Nisei Baseball Research Project and the Japanese American Citizens League-Arizona Chapter. Additionally, he is co-chairman of the SABR Asian Baseball Committee and an ambassador for the National Baseball Hall of Fame exhibit YAKYU | BASEBALL: The Transpacific Exchange of the Game. Learn more at zenimura.com.

 

NOTES

1 Phil Brown, “Aaron Says Oh Will Pass 733,” Mobile (Alabama) Register, November 3, 1974: 42.

2 “Oh’s Message to Aaron,” Atlanta Constitution, April 28, 1974: 65.

3 Sadaharu Oh, A Zen Way of Baseball (New York: Times Books, 1984), 278.

4 “Next in Line Japan’s Sadaharu Oh. … Don’t Look Now, Henry. …,” Atlanta Constitution, April 28, 1974: 65.

5 “Next in Line.”

6 Brown, “Aaron Says Oh Will Pass 733.”

7 Brown. Adjusted for inflation, $50,000 in 1974 would be equivalent to roughly $328,500 in 2025.

8 Bob Balfe, “Same Old Dodgers; Braves 3-0 Winners,” Palm Beach Post (West Palm Beach, Florida), March 12, 1967: 40.

9 Charlie Vascellaro, Baseball’s All-Time Greatest Hitters – Hank Aaron, A Biography (Westport, Connecticut: Greenwood Press, 2005), 137.

10 Sadaharu Oh, A Zen Way of Baseball, 21.

11 While the “legal corporate entity” known as Major League Baseball was not formally created until 1999/2000, the term major league baseball (MLB) is used here as “the descriptive and widely accepted historical collective name” for the highest level of professional baseball in North America (United States and Canada) during this era, consisting of the American League and the National League. Nippon Professional Baseball (NPB) was founded in 1950.

12 Ryoichi Shibusawa, “No Standard for Comparing Oh, Henry,” Richmond (Indiana) Palladium-Item, September 14, 1977: 20.

13 “In the Swing,” Bellingham (Washington) Herald, July 29, 1988: 21. See also Sadaharu Oh, A Zen Way of Baseball, 138.

14 “Next in Line.”

15 “Next in Line.”

16 While many compared Oh’s swing to that of Mel Ott, the slugger from Japan admitted that he was not aware of the former New York Giants player and Hall of Famer. “Japan’s Answer to Henry Aaron,” Atlanta Constitution, April 28, 1974: 69.

17 Brown, “Aaron Says Oh Will Pass 733.”

18 Brown.

19 Associated Press, “Aaron Eager to Take On Japanese Home Run King,” Rock Island Argus (Moline, Illinois), June 15, 1974: 14.

20 “Aaron Eager to Take On Japanese Home Run King.”

21 “Aaron Eager to Take On Japanese Home Run King.”

22 Brown, “Aaron Says Oh Will Pass 733.”

23 Brown.

24 Brown.

25 The Aaron-Oh match was carried on the CBS Sports-Spectacular show on Saturday, November 2, 2:30 P.M., Pacific Time. The network also carried game between the touring New York Mets and the Japanese all-star team. CBS play-by-play announcer Brent Musberger called the contest from Tokyo. Loel Schrader, “These Sluggers Will Use Bats,” Long Beach (California) Independent, November 1, 1974: 32. A commercial for the CBS Sports-Spectacular show featuring the Aaron vs. Oh contest is available to watch online at: https://www.youtube.com/watch?v=gkLDnXDw-GQ.

26 Brown, “Aaron Says Oh Will Pass 733.”

27 Ten years after their initial matchup, Aaron once again defeated Oh in home-run-hitting contest in Tokyo’s Korakuen Stadium, winning 4-2. The contest, held on July 21, 1984, before 25,000 spectators was part of an old-timer’s game celebrating the 50th anniversary of Japanese professional baseball (presumably the major-league tour of 1934 since the Japanese Baseball League was founded in 1936). Aaron, then 50, hit four home runs on 10 swings, while 44-year-old Oh managed two. Associated Press, “Aaron Beats Japanese Rival in Homer Contest,” Florida Times-Union (Jacksonville), July 22, 1984: 25.

28 Ike Kuhns, “Aaron, Oh Will Be Going to Bat for Children’s Athletic Charity,” Newark (New Jersey) Star-Ledger, November 22, 1989: 53.

29 Kuhns.

30 Kuhns.

31 Kuhns.

32 Sadaharu Oh, A Zen Way of Baseball, 9.