List of Major League Baseball players with a home run in their first major league at bat

[1] 136 players have hit a home run in their first at bat of a Major League Baseball (MLB) game,[A] the most recent being Jhonkensy Noel of the Cleveland Guardians on June 26, 2024.

[4][5] Luke Stuart, Walter Mueller, and Johnnie LeMaster hit inside-the-park home runs in their first at bats.

[7] Ernie Koy and Heinie Mueller were the first players to accomplish the feat in the same game, doing so for the Brooklyn Dodgers and Philadelphia Phillies, respectively, in the first inning of Opening Day in 1938.

[8][9] This was equalled in 2016 by Tyler Austin and Aaron Judge, who became the only players to achieve the feat as teammates (playing for the New York Yankees) and in back-to-back at bats.

[17][18] Of the 31 players eligible for the Baseball Hall of Fame who have hit a home run in their first major league at bat, two – Earl Averill and Hoyt Wilhelm – have been elected,[16] neither of them on the first ballot.

A man wearing a collared shirt with the words "BROOKLYN" at the front and a necktie.
Mike Griffin was one of the first two players to hit a home run in their first major league at bat.
A man, wearing a Cardinals' red batting practice uniform with the white interlocking "STL" logo on his left, holds a baseball bat by the barrel with his right hand
Gary Gaetti has the most career home runs among the players who hit a home run in their first MLB at bat.
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Hall of Fame pitcher Hoyt Wilhelm homered in his first MLB at bat, and is one of 23 players to never hit another home run in their major league career.
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Daniel Nava is one of four players to hit a grand slam in his first MLB at bat, and one of two to hit it on the first pitch.
A man, wearing the Cardinals' grey road uniform and dark blue cap with the interlocking "STL" logo, prepares to deliver a pitch with the baseball in his right hand.
Adam Wainwright is one of 19 pitchers to homer in their first major league at bat.
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Earl Averill is one of only two Hall of Famers to homer in his first major league at bat.