Sep 03, 2019; Pittsburgh, PA, USA; Pittsburgh Pirates starting pitcher Mitch Keller (left) reacts as trainer Bryan Housand (right) looks on after being struck in the forearm by a line drive off the bat of Miami Marlins right fielder Garrett Cooper (not pictured) during the second inning at PNC Park. Miami won 5-4 in ten innings.; Mandatory Credit: Charles LeClaire