Arizona Diamondbacks closer Justin Martinez thinks he knows why his velocity dipped so alarmingly over the weekend.

Arizona Diamondbacks closer Justin Martinez recorded the saveon Sunday in a 6-4 victory over the Braves, although it wasn't ...

Martinez allowed a run on one hit and two walks in one inning during Sunday's win over Atlanta. He earned a save and did not record a strikeout. Martinez entered a 6-3 game and was not very effective.

NFL Draft is here at last, but former OU and OSU football stars will likely have to wait a while to hear their names called ...

Arizona Diamondbacks manager Torey Lovullo said that "all indications" are that right-handed reliever Justin Martinez ...

Martinez (shoulder) returned to the mound in Wednesday's extra-inning loss to the Rays, striking out one during a clean ninth inning.

Arizona Diamondbacks right-handed reliever Justin Martinez (shoulder) is dealing with right-shoulder fatigue that could just ...