The Cleveland Guardians play the Arizona Diamondbacks after Bo Naylor had four hits on Sunday in a 5-4 loss to the Braves.

BOTTOM LINE: The Colorado Rockies square off against the Arizona Diamondbacks on Saturday. Colorado is 33-89 overall and ...

Arizona Diamondbacks pitcher Justin Martinez, right, pauses on the pitcher's mound after an injury as Diamondbacks catcher Jose Herrera, left, and Diamondbacks shortstop Geraldo Perdomo check on ...

ST. LOUIS — Right-hander Justin Martinez’s first pitch was clocked at 99.8 mph, and three pitches — and two whiffs — later, he had a strikeout of Brendan Donovan, one of the better hitters ...

The Arizona Diamondbacks may have caught a break from their early-season reliever injury woes. Fireballing reliever Justin Martinez's MRI came back clean, with no structural damage.

Arizona's pitching staff took another hit as right-handed closer Justin Martinez is done for the season with a sprained ulnar collateral ligament in his right elbow, according to reports Friday.

Arizona Diamondbacks closer Justin Martinez pitched a scoreless inning of relief in a rehab outing for the Aces on Tuesday night. Martinez has been on the injured list since May 1 after ...

The Arizona Diamondbacks are about to receive a boost to their tired and ineffective bullpen. Closer Justin Martinez appears to have just successfully completed his rehab from an injured list ...

PHOENIX (AP) — Arizona Diamondbacks reliever Justin Martinez exited in the ninth inning against the Seattle Mariners on Monday night because of tightness in his pitching elbow. Martinez entered ...

Arizona Diamondbacks pitcher Justin Martinez leaves the game due to injury during the ninth inning of a baseball game against the Seattle Mariners Monday, June 9, 2025, in Phoenix.