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Major League Baseball debuts its inaugural Rivalry Weekend with a Keystone State showdown, as the Pittsburgh Pirates (15-29) head to Philadelphia to face the Phillies (25-18) at Citizens Bank Park. The Pirates are traveling about 100 miles south after dropping two of three in a series against the New York Mets at Citi Field.

It's Friday, May 16, and the Pirates (15-29) are in Philadelphia to take on the Phillies (25-18). Andrew Heaney is slated to take the mound for Pittsburgh against Ranger Suárez for Philadelphia. Pittsburgh and Philadelphia are both coming off rest days ahead of this matchup.