ANAHEIM, Calif. (AP) Los Angeles Angels outfielder Kole Calhoun is having surgery on a bilateral core muscle injury.

The Angels announced Dr. William Myers is performing the surgery Tuesday in Philadelphia.

Calhoun will need at least six weeks of recovery time, but he is expected to head into spring training with no limitations.

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Calhoun batted .271 with 18 homers and 75 RBIs this season, his third full big-league campaign. The injury didn't impede him from participating in the entire season, and he played well in September.

The 2015 Gold Glove winner in right field was among the Angels' few bright spots in their worst season since 1999, although his numbers were down from his 26 homers and 83 RBIs last year.