Progressive Innings Pitched
Leaderboard
 
This table is a snapshot of the career, single-season, active, and yearly leaders at the end of each season.
* - Indicates Hall of Fame
Bold - Indicates active player
Year    Career IP    Single-Season IP    Active IP    Yearly IP 
1930    Dizzy Dean * 380.0    Dizzy Dean * 380.0    Dizzy Dean * 380.0    Dizzy Dean * 380.0 
1931    Dizzy Dean * 755.3    George Blaeholder 387.7    Dizzy Dean * 755.3    George Blaeholder 387.7 
1932    Dizzy Dean * 1100.7    George Blaeholder 387.7    Dizzy Dean * 1100.7    Ted Lyons 350.0 
1933    Dizzy Dean * 1451.7    George Blaeholder 387.7    Dizzy Dean * 1451.7    Dizzy Dean * 351.0 
1934    Dizzy Dean * 1806.3    George Blaeholder 387.7    Dizzy Dean * 1806.3    Dizzy Dean * 354.7 
1935    Dizzy Dean * 2166.0    George Blaeholder 387.7    Dizzy Dean * 2166.0    Ted Lyons 371.0 
1936    Ted Lyons 2506.3    George Blaeholder 387.7    Ted Lyons 2506.3    Paul Dean * 374.0 
1937    Ted Lyons 2792.0    George Blaeholder 387.7    Ted Lyons 2792.0    Bill Swift * 366.3 
1938    Dizzy Dean * 3004.3    George Blaeholder 387.7    Dizzy Dean * 3004.3    Dizzy Dean * 364.7 
1939    Dizzy Dean * 3335.0    George Blaeholder 387.7    Dizzy Dean * 3335.0    Bob Logan 353.0 
1940    Dizzy Dean * 3691.6    George Blaeholder 387.7    Dizzy Dean * 3691.6    Mort Cooper 358.3 
1941    Dizzy Dean * 4042.9    George Blaeholder 387.7    Dizzy Dean * 4042.9    Dutch Leonard 366.3 
1942    Dizzy Dean * 4338.0    George Blaeholder 387.7    Dizzy Dean * 4338.0    Mort Cooper 352.3 
1943    Dizzy Dean * 4676.3    George Blaeholder 387.7    Dizzy Dean * 4676.3    Butch Wensloff 351.0 
1944    Dizzy Dean * 5003.3    George Blaeholder 387.7    Dizzy Dean * 5003.3    Vito Tamulis 356.7 
1945    Dizzy Dean * 5036.6    George Blaeholder 387.7    Dizzy Dean * 5036.6    Walt Masterson 343.7 
1946    Dizzy Dean * 5045.9    George Blaeholder 387.7    Dizzy Dean * 5045.9    Joe Haynes 354.7 
1947    Dizzy Dean * 5045.9    George Blaeholder 387.7    Van Mungo 4392.3    Warren Spahn * 375.7 
1948    Dizzy Dean * 5045.9    George Blaeholder 387.7    Russ Bauers 4053.6    Warren Spahn * 378.3 
1949    Dizzy Dean * 5045.9    George Blaeholder 387.7    Russ Bauers 4351.3    Warren Spahn * 367.7 
1950    Dizzy Dean * 5045.9    George Blaeholder 387.7    Russ Bauers 4599.3    Warren Spahn * 369.0 
1951    Dizzy Dean * 5045.9    George Blaeholder 387.7    Johnny Vander Meer 4127.3    Warren Spahn * 374.7 
1952    Dizzy Dean * 5045.9    George Blaeholder 387.7    Johnny Rigney 4316.6    Warren Spahn * 371.0 
1953    Dizzy Dean * 5045.9    George Blaeholder 387.7    Johnny Vander Meer 4165.3    Warren Spahn * 378.7 
1954    Dizzy Dean * 5045.9    George Blaeholder 387.7    Earl Johnson * 4421.0    Warren Spahn * 376.7 
1955    Dizzy Dean * 5045.9    George Blaeholder 387.7    Earl Johnson * 4681.0    Bob Friend 361.3 
1956    Dizzy Dean * 5045.9    George Blaeholder 387.7    Earl Johnson * 4929.6    Warren Spahn * 367.7 
1957    Dizzy Dean * 5045.9    George Blaeholder 387.7    Earl Johnson * 4971.9    Warren Spahn * 379.3 
1958    Warren Spahn * 5232.3    George Blaeholder 387.7    Warren Spahn * 5232.3    Warren Spahn * 366.3 
1959    Warren Spahn * 5508.9    George Blaeholder 387.7    Warren Spahn * 5508.9    Bob Friend 346.3 
1960    Warren Spahn * 5851.6    George Blaeholder 387.7    Warren Spahn * 5851.6    Chuck Stobbs * 368.0 
1961    Warren Spahn * 5851.6    George Blaeholder 387.7    Chuck Stobbs * 4726.3    Chuck Stobbs * 375.3 
1962    Warren Spahn * 5851.6    George Blaeholder 387.7    Chuck Stobbs * 5081.6    Chuck Stobbs * 355.3 
1963    Warren Spahn * 5851.6    George Blaeholder 387.7    Chuck Stobbs * 5351.3    Juan Marichal * 378.3 
1964    Warren Spahn * 5851.6    George Blaeholder 387.7    Chuck Stobbs * 5691.3    Juan Marichal * 362.7 
1965    Chuck Stobbs * 6053.3    George Blaeholder 387.7    Chuck Stobbs * 6053.3    Ike Delock 367.3 
1966    Chuck Stobbs * 6368.6    George Blaeholder 387.7    Chuck Stobbs * 6368.6    Juan Marichal * 363.3 
1967    Chuck Stobbs * 6692.9    George Blaeholder 387.7    Chuck Stobbs * 6692.9    Juan Marichal * 379.7 
1968    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Chuck Stobbs * 7022.6    Juan Marichal * 386.3 
1969    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Gene Conley * 5393.3    Joe Moeller * 305.7 
1970    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Billy Hoeft 5189.3    Joe Moeller * 310.3 
1971    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Sandy Koufax * 4659.3    Joe Moeller * 311.3 
1972    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Sandy Koufax * 4907.3    Bob Moose 301.3 
1973    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Sandy Koufax * 5151.9    Steve Carlton *
Steve Hargan
291.7 
1974    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Sandy Koufax * 5285.6    Joe Moeller * 295.7 
1975    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Sandy Koufax * 5494.2    Milt Wilcox 296.7 
1976    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Dean Chance 4114.9    Jack Billingham 290.3 
1977    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Dean Chance 4347.9    Milt Wilcox 295.3 
1978    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Joe Moeller * 4541.9    John Denny 287.0 
1979    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Joe Moeller * 4734.6    Steve Carlton * 279.7 
1980    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Joe Moeller * 4982.9    Dave Geisel 289.0 
1981    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Joe Moeller * 5218.6    John Denny 297.0 
1982    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Joe Moeller * 5363.9    John Denny 288.3 
1983    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Steve Carlton * 4997.6    Bert Blyleven 321.0 
1984    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Steve Carlton * 5061.3    Mike Norris 299.3 
1985    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Jerry Reuss 4116.0    Roger Clemens 309.3 
1986    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Jerry Reuss 4349.6    Paul Hartzell 311.7 
1987    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Gary Nolan * 3926.9    Roger Clemens 257.7 
1988    Chuck Stobbs * 7022.6    George Blaeholder 387.7    J.R. Richard * 3671.6    Jack McDowell 281.3 
1989    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Eduardo Rodriguez 3726.0    Jack McDowell 269.0 
1990    Chuck Stobbs * 7022.6    George Blaeholder 387.7    Eduardo Rodriguez 3773.0    Kevin Gross 254.7