Will Right holds the record, pitching 680 innings total for the Cincinnati Reds during the 1898 season.
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.
The New York Yankees Mariano Rivera holds the all time Post season record of 33 1/3 scoreless innings pitched. Whitey Ford holds the World Series record with 33 consecutive scoreless innings pitched. Christy Mathewson pitched 27 consecutive scoreless innings in a single post season as he threw 3 shutouts in the 1905 World Series.
As of the 2007 postseason, the record is held by John Smoltz who has pitched 207 innings in the postseason.
Cy Young with a 1.26 ERA in 1908. Young's record that season was 21-11 and he gave up 42 earned runs in 299 innings pitched.
How about walter johnson, in 1916 with 369.2 innings? Extra, he even hit one in september of that season.
I will say it is will wright he had 690 innings pitch in a season.
Orel Hershiser, a righthander who pitched with several teams between 1983-2000 but spent the majority of his career with the Los Angeles Dodgers, holds the MLB record for scoreless innings pitched with 59 between August 30 and September 28 in the 1988 season. Hershiser currently can be seen broadcasting games on ESPN.
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.
Bill Fischer of the 1962 Kansas City Athletics holds the MLB and American League record for most consecutive innings pitched with allowing a walk with 84 1/3.Greg Maddux holds the National League record at 72 1/3 consecutive innings pitched without allowing a walk.
The record for most consecutive hitless innings pitched is 25.1, which equals 76 outs, by Cy Young on May 3-May 11, 1904.
Walter Johnson pitched 5,914 and a third innings for the Washington Senators from 1907 to 1927, with 417 wins, which is second only to Cy Young's 511.
Brandon Webb in 2007 with 42 1/3 consecutive scoreless innings.