Bubba Chandler’s final line looked worse than he actually pitched in the Pirates’ 8-0 loss to Philadelphia. The right-hander reached the seventh inning for the first time, issued only two walks and showed the fastball command that had been missing earlier this season. Alex Stumpf explains the mechanical adjustment behind Chandler’s recent progress and why he could become one of Pittsburgh’s most important starters during the second half. Watch or listen to OffBeat now.