Bubba Chandler turned in one of the most dominant fastball performances in baseball this season during Pittsburgh’s 9-3 win over Chicago. Alex Stumpf breaks down Chandler’s 16 whiffs on the four-seamer, the arm-slot adjustment that has helped stabilize his rookie year, and why his recent form could make him one of the Pirates’ most important starters down the stretch. Watch the full episode of OffBeat on North Shore Nine.