lowest era- by a player with at least 1200 ip between 1963 to 1973
lowest era- by a player with at least 1200 ip between 1967 to 1977
lowest era- by a player with at least 1200 ip between 1956 to 1966
lowest era- by a player with at least 1200 ip between 1988 to 1998
lowest era- by a player with at least 1200 ip between 1990 to 2000
lowest era- by a player with at least 1200 ip between 2010 to 2020
lowest era- by a player with at least 1200 ip between 1996 to 2006
lowest era- by a player with at least 1200 ip between 1994 to 2004
lowest era- by a player with at least 1200 ip between 1995 to 2005
lowest era- by a player with at least 750 ip between 1970 to 1976
lowest era- by a player with at least 750 ip between 1966 to 1972
lowest era- by a player with at least 750 ip between 1965 to 1971
lowest era- by a player with at least 750 ip between 1967 to 1973
lowest era- by a player with at least 750 ip between 1960 to 1966
lowest era- by a player with at least 750 ip between 1986 to 1992
