Washington Nationals starting pitcher Ross Detwiler lasted five innings and allowed three runs in the Nationals' 4-2 loss to the Chicago Cubs on Wednesday. (AP Photo/ Jack Dempsey)

Photo by: JACK DEMPSEY

Washington Nationals starting pitcher Ross Detwiler lasted five innings and allowed three runs in the Nationals' 4-2 loss to the Chicago Cubs on Wednesday. (AP Photo/ Jack Dempsey)