A's right-hander Jharel Cotton will seek a second opinion after an MRI on Thursday showed a sprained ulnar collateral ligament in his pitching elbow as well as a strained flexor muscle.
The ball bounces away from Kevin Plawecki, who dives towards it and throws while falling to Matt Harvey covering home for the out.
Mets pitcher Noah Syndergaard tried to put his second straight opening-day in perspective but let his emotion show.
Boston Red Sox pitcher David Price looked good in his spring training debut, giving up one hit and a walk in four innings against the Toronto Blue Jays.
Orioles designated hitter Mark Trumbo will miss at least 3-4 weeks with a quad strain, according to manager Buck Showalter.
Right-hander Zack Greinke's next bullpen session has been pushed back because of groin tightness, putting his availability for Opening Day in jeopardy.