The Phillies have already done some work to bolster their bullpen, signing veteran David Robertson to a contract for the remainder of the season. Robertson is expected to enter the fray in early August after a 15-day minor-league assignment.

The Philadelphia Phillies are expected to be one of the more aggressive teams at next week's trade deadline, and there are some very specific areas they could u

Ideally, Robertson could help the Phillies in the later innings in August and September, then slot in the middle of the 'pen come October.