1950 Philadelphia Athletics Connie Mack's 50th Anniversary Media Guide Baseball1950 Philadelphia Athletics Connie Mack's 50th Anniversary Media Guide Baseball Cornelius McGillicuddy, better known as Connie Mack, was an American professional baseball catcher, manager, and team owner. The longest serving manager in Major League Baseball history, he holds records for wins, losses, and games managed Vintage media guide featuring the highlight's of the Philadelphia Athletics over the first 50 years of their existence 3. 5 x 7 20