lowest era by a reds pitcher with a minimum of 1 ip per team game in a season since 1920
lowest era by a mariners pitcher with a minimum of 1 ip per team game in a season since 1920
lowest era by a giants pitcher with a minimum of 1 ip per team game in a season since 1920
lowest era by a yankee pitcher with a minimum of 1 ip per team game in a season since 1920
lowest era by a phillie pitcher with a minimum of 1 ip per team game in a season since 1920
lowest era by a phillie qualifying pitcher in a season since 1920
lowest era by a phillie pitcher in a season since 1920
lowest era by a rookie pitcher in a season since 1973
lowest era by a rookie pitcher in a season since 1977
lowest era by an nl pitcher in a season since 1973
lowest era by an al pitcher in a season since 1973
lowest era by an a pitcher in a season since 1920
which pitcher has the most 15 or more win seasons
which pitcher has the most 20 or more win seasons
which potcher has the most 20 win seasons
