CHICAGO -- Pirates outfield prospect Bryan Reynolds will have surgery on Friday to remove the fractured hook of the hamate bone in his left hand, director of sports medicine Todd Tomczyk said on Thursday.
Reynolds sustained the fracture while taking a swing, Tomczyk said. The switch-hitting 23-year-old struck out in the third inning Sunday while batting right-handed against Akron RubberDucks lefty Sean Brady, and Reynolds was removed before the fifth inning of Double-A Altoona's 4-0 win.
The Pirates will determine Reynolds' recovery timeline after the surgery, which will be performed by Dr. Edward Birdsong at Allegheny General Hospital. Catcher Francisco Cervelli sat out a little more than five weeks in 2016 after undergoing the same operation. It typically takes hitters even longer to fully regain their power after the surgery.
Reynolds, acquired along with reliever Kyle Crick from the Giants on Jan. 15 in the Andrew McCutchen trade, is the Pirates' No. 6 prospect according to MLB Pipeline. He hit .312/.364/.462 with 10 home runs last season for Class A Advanced San Jose in San Francisco's system. The Pirates invited him to big league Spring Training camp, and he went 1-for-21 with seven strikeouts in 13 games.
Altoona placed Reynolds on the disabled list on Tuesday and activated outfielder Jason Martin, the Pirates' No. 22 prospect, who was part of the Gerrit Cole deal.
Around the horn
• Manager Clint Hurdle said right-hander Tyler Glasnow, who pitched in Wednesday's 13-5 loss to the Cubs at Wrigley Field, could be available if necessary for Thursday afternoon's series finale. It would be the first time Glasnow, a starter pitching out of the bullpen, has pitched on consecutive days.
"There's going to be uncharted territory as the season goes on for a number of guys out there," Hurdle said. "Sometimes that's part of being in the bullpen. You need to provide what the team needs you to provide."
• Second baseman Josh Harrison was out of the starting lineup Thursday for the first time this season. Adam Frazier started at second base and batted leadoff.

• At least one Cubs fan feels some fondness for Pirates right-hander Trevor Williams, who started Thursday afternoon at Wrigley Field. In December, Williams received a personalized note and signed ukulele song book from Pearl Jam singer and noted Cubs supporter Eddie Vedder. Williams wore "EV" on the back of his custom Players Weekend jersey last year as a tribute to Vedder.