Frank Robinson Signed Orioles Warm-Up Jacket Inscribed "1966 WS MVP" (PSA COA)Custom on field style warm up jacket, everything sewn on, size L. Jacket has been hand signed in silver paint pen by Frank Robinson (HOF). Frank Robinson is a former MLB outfielder and manager. He played for five teams from 1956 to 1976, and became the only player to win league MVP honors in both the National and American Leagues. He won the Triple Crown, was a member of two teams that won the World Series (the 1966 and 1970 Baltimore Orioles), and