Catching tandems who share close to an equal share of the workload behind the plate are becoming more and more common these days. Of the 115 major leaguers who had at least 500 at-bats in 2012, only five were catchers.
Three of those five - Joe Mauer, Buster Posey, and Carlos Santana - played several games at first base and/or designated hitter so their respective team could keep their bat in the lineup on days when their knees were getting a rest from nine innings of squatting behind the plate.
There is still no question that, barring injury, those three guys will be catching more often than their backup will be. Several teams in baseball, however, will head into Spring Training without a clear-cut No. 1 catcher, meaning that we could see some heated battles for the majority of playing time between potential catching tandems.
With pitchers and catchers set to report to Spring Training next week, it's a good time to take a look at some potential competitions…