PITTSBURGH, PA - SEPTEMBER 04: Jake Arrieta #49 of the Chicago Cubs reacts during the game against the Pittsburgh Pirates at PNC Park on September 4, 2017 in Pittsburgh, Pennsylvania. (Photo by Justin Berl/Getty Images)
PITTSBURGH, PA - SEPTEMBER 04: Jake Arrieta #49 of the Chicago Cubs reacts during the game against the Pittsburgh Pirates at PNC Park on September 4, 2017 in Pittsburgh, Pennsylvania. (Photo by Justin Berl/Getty Images)