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1. Buster Posey (Previous Rank: 4)
Buster Posey burst onto the scene as a rookie in 2010 and won the Rookie of the Year award. In his sophomore season, he broke his leg in a collision at home plate. This left many to question how he would respond the following year.
Posey responded by winning the NL MVP and leading his Giants to their second World Series championship in three years. He hit .336 with 24 HR and 103 RBI.
Still just 25, Posey has climbed to the top of the MLB catchers rankings and looks to have another big season.
2. Yadier Molina (Previous Rank: N/A)
I'll admit it, I was not a believer in Yadier Molina after his 2011 campaign in which he hit .305, with 14 HR and 65 RBI. Before last season, he averaged seven HR and 49 RBI a year.
In 2012, Molina hit .315, with 22 HR and 76 RBI. He is probably the best defensive catcher in baseball. Combine that with his offensive numbers over the last two seasons, and he has pushed himself up the rankings.
3. Joe Mauer (Previous Rank: 3)
The 2009 AL MVP has had a problem staying healthy and returning to his MVP form. After hitting 28 homers in 2009, Mauer has only hit a combined 22 HRs since then.
Mauer's health concerns have caused his starts at the catching position to drop significantly. However, one thing that can't be ignored is the consistency of his hitting. He is a career .323 hitter and batted .319 last year.
4. Miguel Montero (Previous Rank: N/A)
Miguel Montero is quietly moving up the rankings of MLB catchers. He has put together two consecutive seasons in which he hit over .280 and had over 80 RBI.
At 28 years old, Montero is in his prime and could be significant in getting the Diamondbacks back in the playoffs next year.
5. A.J Pierzynski (Previous Rank: N/A)
A.J Pierzynski, similar to Derek Jeter, proved even at his age, that he is still one of the best offensive catchers in baseball. Pierzynski has hit under .270 only twice in his career and his veteran leadership is something very valuable to any team.
Pierzynski had a power surge last season and hit .277, with 27 HR and 77 RBI.
Honorable Mention: Carlos Ruiz, Matt Wieters