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.

Justin Martinez has an electric arm. So much so that the Arizona Diamondbacks signed him at the start of the season to a five-year, $18 million dollar contract extension. Featuring a 101 MPH ...

Diamondbacks manager Torey Lovullo said Tuesday that Martinez is dealing with right shoulder fatigue, Jack Sommers of SI.com reports. Lovullo went on to say that it "could be" a dead arm phase for ...

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 ...

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

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.