April 16, 1887: Mike Griffin becomes first major-league player to homer in his first at-bat — or does he?
April 16, 1887: George Tebeau stakes a claim to being first major-league player to homer in his first at-bat
April 20, 1903: Cy Young’s no-hitter collapses as A’s take second game of season-opening doubleheader
April 22, 1903: New York makes its American League debut as Highlanders fall to Washington on Opening Day