Jason Hammel injury: Orioles RHP to undergo MRI Friday

Joy R. Absalon-USA TODAY Sports

Hammel never showed any physical pain, but he hasn't pitched well lately either.

Baltimore Orioles starter Jason Hammel will undergo an MRI Friday after being placed on the disabled list Wednesday for a right flexor mass strain, according to Brittany Ghiroli of MLB.com.

Hammel was sent to the 15-day disabled list upon the Orioles' acquisition of Bud Norris at the non-waiver trade deadline Wednesday. Hammel had not let on that he had been injured — he didn't show any physical signs of pain like Pittsburgh Pirates closer Jason Grilli did when he suffered the same injury recently — but he has not pitched well recently. He's allowed 12 runs and 26 hits in his last 17-1/3 innings, striking out eight and issuing 11 walks in that span.

Hammel has made 21 starts for the Orioles this season and thrown 123 innings. His 5.20 ERA is fifth-worst in all of baseball among qualified starters, and his 1.51 WHIP is seventh-worst among qualified starters.

Norris will take his place in the Orioles rotation.

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