The all time MLB record is 680 innings by Will White of the 1879 Cincinnati Reds. White pitched 75 complete games that season and had a record of 43-31 with a 1.99 ERA.
Cy Young with 7354 2/3 innings pitched. Young also holds the MLB records for most games started (815) and most complete games (749).
That would be Will White of the 1879 Cincinnati Reds who pitched in 680 innings. Since 1900, the most innings pitched in a season is 464 by Ed Walsh of the Chicago White Sox in 1908. Since 1950, the most innings pitched in a season is 376 2/3 by Wilbur Wood of the Chicago White Sox in 1972.
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Roy Oswalt
For most of his career, the Cincinnati Reds.
That is Will White of the 1879 Cincinnati Reds who pitched in 680 innings. He started 75 games and had a record of 43-31 with a 1.99 ERA, gave up 676 hits, walked 68, and struckout 232. He pitched 75 complete games, every game he started he completed.
7. but the record is 431.
As of October 2023, only a handful of players have spent their entire Major League Baseball careers with the Cincinnati Reds. Notable examples include Johnny Bench and Joe Morgan, both Hall of Famers. However, the exact number of players who have played their entire careers with the Reds is relatively small, reflecting the common practice of player movement in professional baseball. For the most current and specific figures, it's best to consult historical player databases or the Reds' official records.
Cincinnati Reds
Bronson Arroyo is best known as a Major League Baseball starting pitcher for the Cincinnati Reds. He has previously played for the Pittsburgh Pirates and the Boston Red Sox.