December 6. Jocko Conlan is born in 1899. Baseball Blog Dec 5 Written By December, 6, 1899. Jocko Conlan is born.Conlan appears on a 1955 Topps umpire gum card.
December 6. Jocko Conlan is born in 1899. Baseball Blog Dec 5 Written By December, 6, 1899. Jocko Conlan is born.Conlan appears on a 1955 Topps umpire gum card.