Triple Crown Signed baseball by Carl Yastrzemski, Frank Robinson and Miguel Cabrera

Miguel Cabrera - Cooperstown Expert

The Baseball 100: No. 77, Miguel Cabrera - The Athletic

Frank Robinson Traded to Orioles

Baseball's Triple Crown Winners - Sports Illustrated

Triple Crown Winners OAL Baseball Signed by (5) with Mickey Mantle, Ted Williams, Carl Yastrzemski, Miguel Cabrera, & Frank Robinson (Beckett LOA) (See Description)

Most Valuable Players Miguel Cabrera, Buster Posey win extra hardware

1967 Red Sox: Yaz and the Triple Crown – Society for American Baseball Research

Multi Signed Baseball, 300 Win Club

Miguel Cabrera Tantalizingly Close to Triple Crown - The New York Times