Mercer's walk-off single
Cardinals @ PiratesApril 5, 2016 | 00:01:27
Jordy Mercer singles down the line in right field, scoring Gregory Polanco for the walk-off win in the bottom of the 11th inning
Jordy Mercer singles down the line in right field, scoring Gregory Polanco for the walk-off win in the bottom of the 11th inning