Dodgers World Series hero undergoes successful surgery, expected to be ready for spring training

The Dodgers didn’t have a number of relievers in the postseason. The back-to-back World Series champions were swept in the National League Championship Series by Brewers, missing key bullpen staples such as Blake Treinen, Brusdar Graterol, Ben Casparius, Jack Dreyer, and Will Klein. Winning Dodgers pitcher Will Klein celebrates with teammates Blake Treinen (49) and…