The most innings pitched in a season by a rookie is 378 by Irv Young of the Boston Beaneaters (now Atlanta Braves) in 1905. Young pitched in 43 games, had 41 complete games, 7 shutouts, and a record of 20-21 with a 2.90 ERA.
Nine. Babe Ruth led the league with nine shutouts in 1916. In all he pitched 17 shutouts.
Sandy Koufax.Koufax, of the Los Angeles Dodgers, struckout 23 batters in the 1963 World Series against the New York Yankees. Koufax pitched a complete game in Game 1 striking out 15 batters. He pitched another complete game in Game 4 striking out 8 batters.
That is Babe Ruth of the Boston Red Sox who pitched a 14 inning complete game against the Brooklyn Robins in Game 2 of the 1916 World Series, winning 2-1. The opposing pitcher, Sherry Smith, pitched 13 1/3 innings losing the game in the bottom of the 14th on a walk, sacrifice bunt, and single which scored the winning run.
Grover Cleveland Alexander threw 16 shutouts for the 1916 Philadelphia Phillies. That is the MLB record for a single season.
852 complete games were pitched in 1970. There were 470 complete games in the National League with the Chicago Cubs staff pitching the most at 59. The Los Angeles Dodgers led the league in complete game shutouts with 13. The team with the fewest complete games was the Philadelphia Phillies and San Diego Padres tied at 24. Hall of Famer Ferguson Jenkins of the Cubs led the National League in complete games with 24. There were 971 games played in the National League in 1970. That means there were 1942 opportunities for a complete game. The percentage of complete games in the NL in 1970 was 24.20. There were 382 complete games in the American League with the Baltimore Orioles staff pitching the most at 60. The Orioles also threw 12 complete game shutouts which led the league. The team with the fewest complete games was the Washington Senators and Chicago White Sox tied at 20. Mike Cuellar of the Orioles led the American League in complete games with 21. There were 972 games played in the American League in 1970. That means there were 1944 opportunities for a complete game. The percentage of complete games in the AL in 1970 was 19.65. Compare this with the 2007 season when 112 complete games were thrown in MLB, 64 in the American League and 48 in the National League. There were 2,268 chances for a complete game in the American League. The percentage of complete games in the AL in 2007 was 2.82. There were 2,594 chances for a complete game in the National League (there are usually 2,592 but 2 extra are added for the one game playoff between the Rockies and Padres). The percentage of complete games in the NL in 2007 was 1.85.
In MLB, that was J.R. Richard of the Houston Astros with 15 strikeouts in a 5-3 complete game victory over the San Francisco Giants on September 5, 1971.
cy young with 749 complete games
Jim Slaton with 19. Slaton pitched 12 seasons for the Brewers (1971-1977 and 1979-1983) and had career numbers with them of 117 wins, 121 losses, 3.86 ERA, 364 games, 2025 1/3 innings pitched, 760 walks, 929 strikeouts, and 69 complete games. He threw 4 shutouts in 1971 and 3 each in 1973, 1974, 1975, and 1979.