Pirates' Mitch Keller impresses in win over Marlins

Mitch Keller tossed seven strong innings and Jake Marisnick hit a two-run homer as the visiting Pittsburgh Pirates opened a four-game series against the Miami Marlins with a 5-1 win on Monday.

Marisnick also doubled and scored two runs in his first game since undergoing left thumb surgery on May 12. Diego Castillo drove in two runs and Kevin Newman added three hits for Pittsburgh, which improved to 4-2 midway through its