Cain, 30, will return to San Francisco for further evaluation after an MRI exam revealed the strain, the team said. The Giants, who are in Phoenix playing the
Cain is the second Giants starter to be scratched from his opening start.
New York Mets closer Jenrry Mejia was put on the 15-day disabled list because of inflammation in the back of his elbow. Mejia felt tightness in his elbow Monday night while warming up in the eight inning of the Mets' season opener against Washington and was unable to pitch in their 3-1 victory. He underwent X-ray and MRI scans and was given a cortisone injection Tuesday and was put on the DL retroactive to Sunday.
Two days after finalizing a long-term contract with ace
Chris Davis returned to the Baltimore Orioles after missing their opener to complete a 25-game suspension for a positive amphetamine test.