|On April 29,
1986, Clemens became the first pitcher in history to strike
out 20 batters in a nine-inning major league game, striking
out 20 Seattle Mariners at Fenway Park. Only Kerry
Wood and Randy Johnson have matched the total. Tom Cheney
holds the record for most strikeouts in any game with
21 in 16 innings.)
the only player to pitch 2 20-strikeout games. The 2nd
performance came over ten years later, on September
18, 1996 against the Detroit Tigers at Tiger Stadium.
Clemens 2nd 20 strikeout day occurred in his second-to-last
game as a member of the Boston Red Sox. In each of his
20-strikeout games, he walked no one.