Mercer's RBI knock
Pirates @ CardinalsMay 31, 2018 | 00:00:54
Jordy Mercer lifts a single to left-center field, scoring Colin Moran to cut the Pirates' deficit to 4-1 in the 2nd inning
Jordy Mercer lifts a single to left-center field, scoring Colin Moran to cut the Pirates' deficit to 4-1 in the 2nd inning