Piazza's grand slam off Clemens
Mets @ YankeesJune 9, 2000 | 00:00:55
6/9/00: Mike Piazza blasts a grand slam to center off of Roger Clemens to give the Mets a 4-0 lead vs. the Yankees
6/9/00: Mike Piazza blasts a grand slam to center off of Roger Clemens to give the Mets a 4-0 lead vs. the Yankees