Betts' grand slam makes it 9-0
Guardians @ Red SoxMay 21, 2016 | 00:00:30
Mookie Betts drives a grand slam over the Green Monster, for his second homer of the day, extending the team's lead to 9-0 #PapaSlam
Mookie Betts drives a grand slam over the Green Monster, for his second homer of the day, extending the team's lead to 9-0 #PapaSlam