Roman Anthony, ESPN's No. 1-rated prospect, smashed a 497-foot grand slam for Boston's Triple-A team Saturday night, the ...

Boston Red Sox prospect Roman Anthony hit a 497-foot grand slam for Triple-A Worcester on Saturday night in a 10-4 victory over Rochester in the International League.

The touted prospect clubbed a mammoth shot at Polar Park to give the WooSox a 9-4 lead in the eighth inning Saturday night.