Zach Britton gets platelet-rich plasma treatment on shoulder

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Michael Morse isn’t the only big leaguer trying to get healthy via platelet-rich plasma treatment this week, as Orioles left-hander Zach Britton also underwent the procedure in an attempt to avoid shoulder surgery.

Dr. James Andrews recommended the new and somewhat controversial treatment for Britton, who’s struggled with shoulder inflammation dating back to August of last season.

Britton is expected to meet again with Dr. Andrews next month, so he’ll definitely begin the season on the disabled list and is no sure thing to rejoin the Orioles’ rotation in the first half, but for now avoiding going under the knife is relatively positive news.

David Phelps to undergo Tommy John surgery

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Pitcher David Phelps has a torn UCL and will undergo Tommy John surgery, ending his 2018 season, the Mariners announced on Wednesday. Phelps was making brief one-inning stints in the Cactus League as he worked his way back from a procedure to remove a bone spur from his elbow last September. He said he felt the ligament tear on his final pitch against the Angels in his March 17 appearance.

Phelps, 31, was expected to set up for closer Edwin Diaz. The right-hander, between the Marlins and Mariners last season, posted a 3.40 ERA with a 62/26 K/BB ratio in 55 2/3 innings. He and the Mariners avoided arbitration in January, agreeing on a $5.55 million salary for the 2018 campaign. Phelps will become eligible to become a free agent at the end of the season.

As the Mariners noted in their statement, the expected recovery period for Tommy John surgery is 12-15 months, so this very likely cuts into Phelps’ 2019 season as well.