Highest ERA with 10+ Wins in a Season
(since 1876)
- Colby Lewis, 2003 Rangers - 10-9, 7.30 ERA
- Harry Staley, 1894 Beaneaters - 12-10, 6.81 ERA
- LaTroy Hawkins, 1999 Twins - 10-14, 6.66 ERA
- Ryan Drese, 2002 Indians - 10-9, 6.55 ERA
- Adam Eaton, 2007 Phillies - 10-10, 6.29 ERA
- Ray Benge, 1929 Phillies - 11-15, 6.29 ERA
- Wes Ferrell, 1938 Senators/Yankees - 15-10, 6.28 ERA
- Chris Carpenter, 2000 Blue Jays - 10-12, 6.26 ERA
- Mike Morgan, 1999 Rangers - 13-10, 6.24 ERA
- Pedro Astacio, 1998 Rockies - 13-14, 6.23 ERA
Manny Parra is 9-10 with a 6.66 ERA in 2009.