League Leaders Who Led?

San Francisco Giants Innings Pitched Leaders

Career totals with the Giants and the best single seasons in club history. Includes the 2026 season through September 16: these records are rebuilt every night, so a mark set yesterday is here this morning.

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Christy Mathewson holds the Giants career record with 4779.2 innings pitched. The single-season record is 557.1, by Mickey Welch in 1884.

ERA W SO SV WHIP IP K/9 BB/9 K/BB SHO CG GS G L BB W-L%

All-time Giants leaders

Career totals with the club
# Player With the club IP G
1 Christy Mathewson Christy Mathewson 1900–1916 4779.2 635
2 Carl Hubbell Carl Hubbell 1928–1943 3590.1 535
3 Mickey Welch Mickey Welch 1883–1892 3579.0 427
4 Amos Rusie Amos Rusie 1890–1898 3531.2 427
5 Juan Marichal Juan Marichal 1960–1973 3444.0 458
6 Freddie Fitzsimmons Freddie Fitzsimmons 1925–1937 2514.1 403
7 Hal Schumacher Hal Schumacher 1931–1946 2482.1 391
8 Gaylord Perry Gaylord Perry 1962–1971 2294.2 367
9 Tim Keefe Tim Keefe 1885–1891 2265.0 272
10 Joe McGinnity Joe McGinnity 1902–1908 2151.1 300
11 Matt Cain Matt Cain 2005–2017 2085.2 342
12 Hooks Wiltse Hooks Wiltse 1904–1914 2053.0 339
13 Luther Taylor Luther Taylor 1900–1908 1882.1 270
14 Madison Bumgarner Madison Bumgarner 2009–2019 1846.0 289
15 Mike McCormick Mike McCormick 1956–1970 1822.2 357
16 Red Ames Red Ames 1903–1913 1802.2 282
17 Jim Barr Jim Barr 1971–1983 1800.1 394
18 Jouett Meekin Jouett Meekin 1894–1899 1750.0 217
19 Larry Jansen Larry Jansen 1947–1954 1731.0 283
20 Jeff Tesreau Jeff Tesreau 1912–1918 1679.0 247
21 Tim Lincecum Tim Lincecum 2007–2015 1643.2 269
22 Kirk Rueter Kirk Rueter 1996–2005 1614.0 281
23 Johnny Antonelli Johnny Antonelli 1954–1960 1600.2 280
24 Dave Koslo Dave Koslo 1941–1953 1559.2 332
25 Rube Marquard Rube Marquard 1908–1915 1546.0 239

Single-season Giants records

Best seasons in club history
# Player Season IP G
1 Mickey Welch Mickey Welch 1884 557.1 65
2 Amos Rusie Amos Rusie 1890 548.2 67
3 Amos Rusie Amos Rusie 1892 541.0 65
4 Tim Keefe Tim Keefe 1886 535.0 64
5 Amos Rusie Amos Rusie 1891 500.1 61
6 Mickey Welch Mickey Welch 1886 500.0 59
7 Mickey Welch Mickey Welch 1885 492.0 56
8 Amos Rusie Amos Rusie 1893 482.0 56
9 Tim Keefe Tim Keefe 1887 476.2 56
10 Amos Rusie Amos Rusie 1894 444.0 54
11 Tim Keefe Tim Keefe 1888 434.1 51
12 Joe McGinnity Joe McGinnity 1903 434.0 55
13 Mickey Welch Mickey Welch 1883 426.0 54
14 Mickey Welch Mickey Welch 1888 425.1 47
15 Jouett Meekin Jouett Meekin 1894 418.0 53
16 Silver King Silver King 1892 410.1 51
17 Joe McGinnity Joe McGinnity 1904 408.0 51
18 Tim Keefe Tim Keefe 1885 400.0 46
19 Amos Rusie Amos Rusie 1895 393.1 49
20 Christy Mathewson Christy Mathewson 1908 390.2 56
21 Mickey Welch Mickey Welch 1889 375.0 45
22 Christy Mathewson Christy Mathewson 1904 367.2 48
23 Christy Mathewson Christy Mathewson 1903 366.1 45
24 Ed Crane Ed Crane 1892 364.1 47
25 Tim Keefe Tim Keefe 1889 364.0 47