This is the first part of a three-part series on Jorge Posada. Part I takes a look at how impressive his 2007 season was. Part II compares Posada’s season to other top performances by catchers through baseball history. Part III will be the downer, explaining why our expectations for 2008 should pretty much ignore 2007.

It’s next to impossible for a Yankee to be underrated, but that’s definitely the case with Jorge Posada’s 2007 season. Alex Rodriguez is the undisputed league MVP, but Jorge Posada is a top five candidate. Let’s play Rob Neyer’s favorite game: which anonymous batting line is more impressive?

Player  AVG   OBP   SLG  wOBA
Guy A  .338  .426  .543  .407
Guy B  .324  .403  .547  .371
Guy C  .340  .405  .607  .394
Guy D  .282  .411  .627  .421

You probably went with Guy D, who was Carlos Pena, and I’d agree — for now. Guy C is Matt Holliday, likely NL MVP, whose stats get a huge boost from playing in Coors (wOBA is park-adjusted, however.) Guy B is Vlad Guerrero, who had a very good, but overrated season. That leaves Posada as Guy A, sporting a spectacular OBP and very good power numbers.

I did leave two important pieces of information off that list, however. One is plate appearances, where Posada’s 589 are about a hundred short of other full-time players. That’s one reason he trails a bunch of guys in offensive runs above replacement:

Player			RAR
Rodriguez,AlexNYA	100
Ordonez,MagglioDET	 86
Ortiz,DavidBOS		 81
Pena,CarlosTB		 75
Guerrero,VladimirLAA	 75
Granderson,CurtisDET	 65
Posada,JorgeNYA		 62
Sizemore,GradyCLE	 60
Suzuki,IchiroSEA	 59

But the other piece of missing information is defensive position. Jorge Posada’s a catcher, making his contribution more important compared to first basemen and corner outfielders. It’s much tougher to find decent catchers who pound the ball than it is to find decent first basemen. On the defensive spectrum and over a full season, catchers are worth 15-20 runs more than those weaker positions, and 25 runs more than DHs. Just imagine putting Pena or David Ortiz behind the plate. Yikes.

With a positional adjustment to offensive runs, the list looks more like this:

Player			RARP
Rodriguez,AlexNYA	99
Ordonez,MagglioDET	82
Granderson,CurtisDET	71
Guerrero,VladimirLAA	70
Posada,JorgeNYA		70
Ortiz,DavidBOS		68
Pena,CarlosTB		67
Sizemore,GradyCLE	66
Suzuki,IchiroSEA	66

Ordonez, on the strength of his hitting, is still a full win above Posada. But Posada’s now in a big bunch for third place, and jumps ahead of Carlos Pena by a few runs.

The last piece of the puzzle is of course how well each player fields his position. Curtis Granderson and Ichiro Suzuki take large steps forward as good-to-excellent fielders. Magglio Ordonez, Grady Sizemore, and Carlos Pena stay where they are, while Vlad takes a small step backward.

Posada’s tough to gauge, as are all catchers. They really aren’t responsible for turning many batted balls into outs. Instead, catchers prevent passed balls, frame strikes, and help control the running game. Only that third factor is easily measurable and it’s difficult to separate out the contribution of the pitcher. Surely Posada is a league-average catcher (43 fans agree) and I’d be ok with giving him 5 runs above that.

In the final value standings, that leaves Posada fifth, behind ARod, Magglio, Ichiro, and Granderson — not necessarily in that order.

Therefore, yes, Posada was definitely in the top handful of AL position players in 2007. He got on base an absurd percentage of the time (3rd-best in the AL), hit for power, and played the toughest defensive position. While ARod was worth about 10 wins to the Yankees, Posada was worth between 7 and 8. Without Posada, the Yankees likely would have lost the Wild Card to Detroit. Yankee fans realize Jorge’s 2007 contributions were huge, but even the Yankee-haters should give him his due.

Part II will examine where Posada’s 2007 ranks all-time among seasons by catchers. Tease: in one regard, it was the best ever.

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