Cleveland Guardians catcher Bo Naylor was just four years old when Kansas City Royals starter Zack Greinke made his MLB debut. Naylor, a talented youngster, got the best of the 20-year veteran on Tuesday. Naylor hit two home runs to propel the Guardians to a 5-1 victory at Progressive Field. In the third inning, Naylor gave the Guardians an early 1-0 lead. He laced a 90.4 mph fastball over the…