• Card series: Beginnings: 1880's
• City: Washington, D.C.
• Team: Nationals
• League: National League
• Hall: National Baseball Hall of Fame

Cornelius McGillicuddy, Sr. (1862-1956). An average catcher with strong leadership skills for 11 professional seasons (1886-1896), Mack then owned (1901-1954) and managed (1901-1950) the Philadelphia Athletics for half a century, establishing many managerial records and a unique place in the pantheon of baseball icons in the 20th century.

• 5x World Series Champion
• Most Managerial Wins: 3,731
• Most Managerial Losses: 3,948
• Elected to Hall of Fame: 1937

• Mack’s uniform color in this card was changed from black to blue in August, 2017 to reflect recent reliable research conducted by Craig Brown and friends at Threads of Our Game. Nine cards were previously released featuring a black uniform