Sorry, but if Molina is batting .290, then Varitek has the upper-hand just with average. Here's Varitek's stats:
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.296 AVG, .575 SLG, .361 OBP, 51 RBI, 15 HR, 41 Runs
Here's Molina:
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.289 AVG, .453 SLG, .320 OBP, 47 RBI, 9 HR, 27 Runs
Varitek is CLEARLY better offensively. And, since you wanted to know about Frank, here's his stats (all stats as of 10:45 EST on 6/9/03):
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.279 AVG, .571 SLG, .418 OBP, 48 RBI, 20 HR, 44 Runs
Thomas and Varitek are definatly close, but I wouldn't say that either has much over the other. So, we go to defense:
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Varitek: .989 Fielding%, 5 errors, 72 games, 22 assists, in 464 total chances.
Thomas: .995 Fielding%, 1 error, 26 games, 9 assists, 208 total chances.
Considering that Varitek has 256 more total chances, and he has played in 46 more games, you have to expect that Thomas would make a few more errors, and have a lower fielding percentage than he does now. Thomas has never been known for his defense, while out of the three catchers that made the team, Varitek's caught stealing percentage is ranked 2nd. Compared to other catchers offensively, Varitek ranks second in average, first in slugging percentage, third in OBP, third in walks, first in total bases, first in RBIs, second in home runs, and second in runs. The only other catchers that are better than him in anything are Posada and Greg Myers (Toronto). Sorry, but I don't see that Thomas or Molina have dominating stats over Varitek in anything, and considering this is a career year for Tek, he deserves to be on the team.