(Pittsburgh, PA)  --  The Mariners will look to continue their hot play tonight when they take on the Pirates in Pittsburgh.  Justin Dunn will take the ball for Scott Servais' club.  He made his first start September 12th in a loss against the Reds at home.  The Pirates will counter with Dario Agrazal.  The right-hander is 4-and-4 with a 4.91 ERA.  He's earned two wins in his last four starts with the club winning three of those.