SABR Defensive Index

SABR Defensive Index rankings released through August 13, 2023

AUGUST 18, 2023 — San Diego right fielder Fernando Tatis Jr. leads the major leagues in the updated SABR Defensive Index™ rankings through games of August 13, 2023.

The SABR Defensive Index is used to help select the winners of the Rawlings Gold Glove Award® and Rawlings Platinum Glove Award™, presented by SABR.

The SDI draws on and aggregates two types of existing defensive metrics: those derived from batted ball location-based data and those collected from play-by-play accounts. SDI utilizes MLBAM’s Statcast, Sports Info Solutions data, and STATS Perform data as well as traditional statistics with advanced analysis.

The SABR Defensive Index accounts for approximately 25 percent of the Rawlings Gold Glove Award selection process that will be added to the votes from the managers and coaches. The updated SDI results were released today by the Society for American Baseball Research.

The final SDI results will be released following the conclusion of the 2023 season at The SDI is compiled by the SABR Defensive Committee, which includes former SABR Board President Vince Gennaro; Sean Forman of; Mark Simon of Sports Info Solutions; Ben Jedlovec, MLB’s Senior Director, Baseball Data Platform Product; former SABR Director F.X. Flinn; author and defensive metrics expert Chris Dial; and author Michael Humphreys.

Here are the top 25 players in each League, through games of August 13, 2023:


NL leaders

Player Team Position SDI
Fernando Tatis Jr. SDP RF 16.0
Brenton Doyle COL CF 11.7
Ryan McMahon COL 3B 10.4
Ke’Bryan Hayes PIT 3B 10.3
Patrick Bailey SFG C 10.1
Dansby Swanson CHC SS 9.4
Ha-Seong Kim SDP 2B 8.3
Francisco Lindor NYM SS 7.0
Miguel Rojas LAD SS 7.0
Carlos Santana MIL,PIT 1B 6.5
Bryson Stott PHI 2B 6.4
Gabriel Moreno ARI C 6.1
Nico Hoerner CHC 2B 5.7
Brice Turang MIL 2B 5.7
Manny Machado SDP 3B 5.6
William Contreras MIL C 5.3
Alex Call WSN CF 5.1
Alek Thomas ARI CF 5.1
Joey Wiemer MIL CF 4.9
Thairo Estrada SFG 2B 4.8
Pete Alonso NYM 1B 4.5
Matt McLain CIN SS 4.5
Willy Adames MIL SS 4.3
Ezequiel Tovar COL SS 4.2
Christian Walker ARI 1B 4.2


AL leaders

Player Team Position SDI
Wander Franco TBR SS 11.8
Steven Kwan CLE LF 10.0
Anthony Volpe NYY SS 9.8
Andrés Giménez CLE 2B 8.9
Adolis García TEX RF 7.8
Matt Chapman TOR 3B 7.2
Jake Meyers HOU CF 7.1
Alex Verdugo BOS RF 7.0
Marcus Semien TEX 2B 6.9
Alejandro Kirk TOR C 6.6
Julio Rodríguez SEA CF 6.6
Kevin Kiermaier TOR CF 6.3
Michael A. Taylor MIN CF 6.3
Jonah Heim TEX C 5.7
Luis Robert Jr. CHW CF 5.3
Alex Bregman HOU 3B 5.1
Maikel Garcia KCR 3B 5.0
Anthony Rizzo NYY 1B 4.5
José Ramírez CLE 3B 4.1
Nathaniel Lowe TEX 1B 4.0
Will Brennan CLE RF 3.9
Mauricio Dubón HOU 2B 3.9
Austin Hays BAL LF 3.9
José Berríos TOR P 3.4
Jorge Mateo BAL SS 3.3


About SABR

The Society for American Baseball Research (SABR) is a nonprofit organization dedicated to fostering research and disseminating the history and record of baseball. Founded in 1971, SABR has more than 7,300 members worldwide and has established itself as a vibrant baseball community and a premier distributor of ground-breaking baseball information. SABR features more than 80 regional chapters and more than 30 research committees, and produces three annual publications — two editions of The Baseball Research Journal and The National Pastime — in addition to other print and e-books. SABR also hosts two annual events: the National Convention each summer and the SABR Analytics Conference in March in Phoenix. For more information about SABR, visit

About the Rawlings Gold Glove Award®

The Rawlings Gold Glove Award® is a registered trademark owned by Rawlings Sporting Goods Company, Inc. The award is correctly identified as the Rawlings Gold Glove Award. The name should not be shortened, abbreviated, or otherwise misused. Proper identification of this service mark using the registration symbol and the Rawlings name is important to protect the integrity of the program and perpetuate this worthy tradition. For more information, please visit

About Rawlings

Established in 1887, Rawlings is an innovative leading global brand and manufacturer of premium baseball and softball equipment, including gloves, balls, and protective headwear. Rawlings’ unparalleled quality, innovative engineering and expert craftsmanship are the fundamental reasons why more professional athletes, national governing bodies and sports leagues choose Rawlings. Rawlings is the Official Baseball, Helmet, Face Guard and Glove of Major League Baseball, the Official Baseball of Minor League Baseball and the Official Baseball and Softball of the NCAA and the NAIA. The company is headquartered in St. Louis. For more information, please visit

Originally published: August 18, 2023. Last Updated: August 17, 2023.