Asked in Baseball History
Who were the two pitchers in major league baseball history that struck out 20 players in one game?
There have been three pitchers to strikeout 20 batters in one game and one pitcher to strikeout 21 batters in a game. The three to strikeout 20 were Kerry Wood, Roger Clemens, and Randy Johnson. All three struckout all those batters in a nine inning game. The pitcher to strikeout 21 batters, Tom Cheney, needed 16 innings. Cheney's 21 strikeouts is the MLB record for strikeouts by a pitcher in a single game.