Joe Mauer played in 113 games for the Twins in 2013. He hit .324/.404/.476 (.880). That represents an OPS+ of 144. He hit 35 doubles, 11 homers, drove in 47 RBI. He also walked 61 times. Carlos Santana was the next highest OPS for an AL catcher, at .832. Even with missing the final five or six weeks, Mauer's WAR of 5.4 was a point higher than Santana's 4.4. Salvador Perez was at 4.1 WAR.
With his fifth Silver Slugger, only Mike Piazza (10), Ivan Rodriguez (7) and Lance Parrish (6) have more... Brian McCann, Gary Carter and Jorge Posada each have won five as well.
Former Twins that have won the 2013 Silver Slugger Award include: David Ortiz, Torii Hunter, JJ Hardy and Michael Cuddyer.