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Diamondbacks' Zack Greinke Diagnosed with Abdominal Injury, Will Undergo MRI

Arizona Diamondbacks ace Zack Greinke will undergo an MRI on Friday after leaving Wednesday's game against the Pittsburgh Pirates with abdominal tightness.

Greinke picked up the win while leading his team to a 11-1 victory, throwing 7.2 innings of shutout baseball while holding the Pirates to just four hits. He threw 95 pitches before being removed.

Diamondbacks manager Torey Lovullo noted that the injury occurred on Greinke's final pitch, according to's Steve Gilbert.

After posting a 4.37 ERA in his first season with the Diamondbacks in 2016, Greinke looked more like his old self over the past two seasons.