MLB Collectibles > Arizona Diamondbacks > Baseballs Trevor Cahill autographed NON OFFICIAL BASEBALL (Arizona Diamondbacks star pitcher) Jarrod Parker Oakland A's Arizona Diamondbacks signed autographed baseball proof Jordan Lawlar Arizona Diamondbacks Autographed MLB Baseball with "MLB Debut 9-7-23" Inscription - Autographed Baseballs Gabriel Moreno Arizona Diamondbacks Signed Autographed M.l. Baseball Bas Bc94408 - Autographed Baseballs Randy Johnson Arizona Diamondbacks Autographed Baseball with Multiple Inscriptions - Limited Edition of 5 - Autographed Baseballs Pavin Smith Arizona Diamondbacks Rookie Year Signed M.l. Baseball Bas R98032 - Autographed Baseballs More Arizona Diamondbacks Autographed Baseballs