Photo source: Wikimedia Commons, Goodwin & Company
This post is a list of baseball pitchers with at least 45 wins in a season in the MLB as of May 16th, 2020. There are 14 seasons listed below. The photo above is John Clarkson in 1887. Data source: Baseball-reference.com
1. Old Hoss Radbourn (1884) - 60
2. John Clarkson (1885) - 53
3. Guy Hecker (1884) - 52
4. John Clarkson (1889) - 49
5. Charlie Buffinton (1884) - 48
5. Old Hoss Radbourn (1883) - 48
7. Al Spalding (1876) - 47
7. John Ward (1879) - 47
9. Pud Galvin (1883) - 46
9. Pud Galvin (1884) - 46
9. Matt Kilroy (1887) - 46
12. George Bradley (1876) - 45
12. Silver King (1888) - 45
12. Jim McCormick (1880) - 45
