Responding to a reader question, here are the 10 worst seasonal ERAs for pitchers who qualified for the ERA title: Rk Player ERA Year Tm G GS W L IP H R ER BB SO ERA+ HR 1 Les Sweetland 7.71 1930 PHI 34 25 7 15 167.0 271 164 143 60 36 71 24 … Continue reading The 10 worst ERAs of all time