Vaughn went 2-for-4 with a solo home run, a walk and two additional RBI in Sunday's 5-4 loss to the Rockies.
Vaughn tied the game in the seventh inning with an RBI walk before knotting the game up in the 10th inning with a sacrifice fly. The 26-year-old quietly had an impressive month of June, batting .337 with six home runs, 20 RBI and 17 runs scored in 25 games played.