Zack Wheeler turned in the worst start of his career on Tuesday, allowing eight runs on six hits before he could complete two innings during a 14-4 loss to the Cubs.
"I just didn't feel right today," Wheeler said after the game. "I don't know what it was, I just didn't feel right. It's no excuse, but you're supposed to find it when you're out there and make an adjustment. I couldn't do that today."
Wheeler, who had not allowed more than three runs in an outing since April 23, allowed a leadoff home run to Anthony Rizzo to start the game. Ian Happ then blasted a two-out grand slam in the second inning to extend Chicago's lead to 6-1.