Clayton Kershaw's promising return from a month on the disabled list Thursday night at Dodger Stadium could have provided a morale boost for the Los Angeles Dodgers, but instead became a cautionary tale. Kershaw left his start after five innings due to back tightness and will stay behind in Los Angeles for an MRI on Friday while the team travels to Colorado, manager Dave Roberts announced after a 2-1 loss to the Philadelphia Phillies. Kershaw said post-game that as he rehabbed from the shoulder tendinitis that sidelined him, his back had felt "unbelievable" before today.