Highest Single Season Astro ERA
Franchise History (1962-2023) Minimum 30 Innings pitched: Ryan Bowen: 10.96 (1992) Phillip Humber: 7.90 (2013) Yorman Bazardo: 7.88 (2009) Rafael Montero: 7.76 (2023) Julio Solano: 7.59 (1986) Dave Borkowski: 7.50 (2008) Jose Lima: 7.30 (2001) Scott…
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