PITTSBURGH (Interstat) — Braxton Ashcraft struck out 10 over six innings and the Pittsburgh Pirates routed the Seattle Mariners 11-1 on Wednesday night at PNC Park.

Ashcraft (7-3) allowed five hits and one earned run. Carmen Mlodzinski earned his second save with three scoreless innings of relief, striking out three.

Seattle took a 1-0 lead in the first on Julio Rodríguez’s RBI single, but Pittsburgh erupted for five runs in the fourth. Endy Rodríguez drove in two with a double and Tyler Callihan tripled home a run. Jake Mangum and Esmerlyn Valdez added RBI singles.

The Pirates broke the game open with four runs in the seventh. Ryan O’Hearn doubled in two runs and Rodríguez singled in another. Callihan’s sacrifice fly made it 9-1.

Pittsburgh added two more in the eighth on RBI doubles by Bryan Reynolds and O’Hearn, who finished 4-for-5 with three RBIs. Rodríguez also drove in three runs.

Bryan Woo (6-6) took the loss for Seattle, which fell to 41-40. Pittsburgh improved to 40-40.

Attendance was 18,750. The game lasted 2 hours, 31 minutes.