Brothers in Arms
The Niekro brothers, Phil and Joe have the most combined wins for brothers pitching in the Major Leagues with 539. They are closely followed by the Perry brothers, Gaylord and Jim with 529 wins between them.
These siblings are also the only pitching brothers to achieve the accolade of each brother having won 20 games in the same season; the Perry’s having accomplished the feat in 1970 which was matched by the Niekro’s in 1979. Gaylord Perry and Phil Niekro were both later inducted into the Hall of Fame.