Herr's walk-off slam
Mets @ CardinalsApril 18, 1987 | 00:01:51
4/18/87: Tom Herr's walk-off grand slam leads to fans throwing souvenirs onto the field on Seat Cushion Night
4/18/87: Tom Herr's walk-off grand slam leads to fans throwing souvenirs onto the field on Seat Cushion Night