アリゾナ・フォールリーグ
Ackley was assigned to the Peoria Javelinas of the Arizona Fall League joining fellow prospects Phillippe Aumont, Josh Fields, Anthony Varvaro, Nick Hill, Joe Dunigan, Carlos Triunfel and Juan Díaz. Ackley was chosen as an Arizona Fall League Rising Star on November 2. On November 20, Ackley was named Arizona Fall League MVP.