On Saturday, May 8, 2004 in Arlington, Texas the Detroit Tigers met the Texas Rangers in a game the Rangers would win in the 10th inning by a score of 16-15.
The 5th inning started with an 8 pitch walk, followed by 7 pitch walk, then a 5 pitch walk. By the time the top of the inning was over the Tigers had faced 54 pitches and recorded 8 runs.
Being the home team the Rangers did not want to be out done, they faced 56 pitches and knocked in 10 runs.
The entire inning saw 110 pitches, 18 runs and lasted 1 hour and 8 minutes, the longest inning in MLB history.