The Seattle Mariners called up pitching prospect Matt Brash on Tuesday. There's speculation that he could be used as a tandem starter behind Tyler Anderson for Tuesday's game against the Oakland Athletics. Anderson is pitching on short rest for the game. The 23-year-old Brash is the team's No. 10 ranked prospect on MLB Pipeline. He was acquired in a trade with the San Diego Padres last year and he has yet to pitch in the majors. Over 20 games (19 starts) split between High-A and Double-A this ...