While not renown for its lenghth, next month will be the 55th anniversary of Harvey Haddix's 1 hit loss to the Braves in 1959. I believe it's still the longest no-hitter in MLB history since it went into the 13th inning.
It may have been the best pitching perfortmance in major league history. Twelve perfect innings, retiring the first 36 batters. Lew Burdette was his counterpart for the Milwaukee Braves.
In the top of the i3th the first batter reached on error, was sacrificed to second, and Hank Aaron was intentionally walked. The next batter (I think it was Eddie Matthews)hit a homer that went down as a one-run double because he passed Aaron on the bases.
