 This is the most in a single season since the three pitched in 2001.All three no-hitters in 2007 were in the American League, which is the most in a single league since the record-tying 1991 season when the two leagues combined for seven no-hitters (4 AL, 3 NL).On July 10, 2007, at AT&T Park in San Francisco, the American League defeated the National League by a score of 5–4.