PITTSBURGH -- Pittsburgh Pirates first baseman Spencer Horwitz left in the fourth inning against Seattle with discomfort in his left hamstring Wednesday night.
Esmerlyn Valdez pinch hit for Horwitz and had an RBI single during a five-run fourth in which the Pirates took a 5-1 lead.
Horwitz finished 1 for 3 and is hitting .280 with 10 home runs, 33 RBI and 40 walks in 74 games.
