It's one thing to be nearly unhittable, but it's another thing entirely to fan almost every batter you face in a nine-inning game. But Roger Clemens already knows that. In April of 1986, Clemens made a name for himself when he stood at the pinnacle of pitching by striking out 20 Seattle Mariners — a major-league record.
To see Clemens baffle the Mariners, check out the video below.
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