No surgery for Pirates' Jason Grilli, who may be out next 4-to-8 weeks

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On Friday, the Pirates announced closer Jason Grilli has been diagnosed with a flexor strain in his right forearm. Grilli won't undergo surgery, but the team said he won't be able to throw for at least two weeks, at which point he'll be re-evaluated.

As Bill Brink of the Pittsburgh Post-Gazette reports, Pirates pitchers said the usual timetable for the type of injury Grilli has is four to eight weeks. If he's out toward the long end of that window, then he won't be back until the regular season is in its waning days.

Still, considering how bad the injury looked on Monday ...

... this isn't terrible news.

That said, injury analyst Will Carroll points out that surgery down the road is possible if Grilli's tendon doesn't respond to rest and treatment.

This season, the 36-year-old Grilli has pitched to a 2.34 ERA, 0.92 WHIP and 6.60 K/BB ratio in this, his first season as a closer.

The Pirates figure to continue using Mark Melancon, who's been even better than Grilli this season, to protect ninth-inning leads until Grilli returns.

CBS Sports Writer

Dayn Perry has been a baseball writer for CBS Sports since early 2012. Prior to that, he wrote for and He's the author of three books, the most recent being Reggie Jackson: The... Full Bio

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