Mets' J.D. Martinez Suffers Bruised Elbow After 99.6 MPH Fastball

Martinez initially stayed in the game but was later replaced; X-rays negative, listed day-to-day.

Martinez was hit by a pitch from Oakland's Joe Boyle in the second inning.
He scored a run before being replaced by Mark Vientos in the third inning.
Martinez has a .257 average with 12 homers and 53 RBIs this season.
His performance has declined recently, with a .208 average over the last 35 games.
Vientos, dealing with a sore ankle, pinch-hit for Martinez.