2009 Replacement Level: Center Field

As most of you know, the Win Values we present here on FanGraphs are wins above a replacement level player. Replacement level, essentially, is the expected performance you could get from a player who costs nothing to acquire and makes the league minimum. That’s the baseline that players add value over – performance over their no-cost substitute.

However, I know examples can be extremely helpful, so starting on Monday, we began looking at some players who currently personify replacement level, and what their respective organizations should expect from them in 2009. We’ve already covered catcher, first base, second base, shortstop, third base, and left field and we’ll move on through all of the positions the rest of this week.

Center Field

Unlike the LFs, these guys are mostly the same skillset – flycatchers with range and questionable bats.

Reggie Abercrombie, Houston, .301 wOBA
Corey Patterson, Washington, .304 wOBA
Chris Duffy, Milwaukee, .313 wOBA
Jason Ellison, Philadelphia, .298 wOBA
Ryan Langerhans, Washington, .330 wOBA
Scott Podsednik, Colorado, .305 wOBA
So Taguchi, Chicago (NL), .291 wOBA

Besides Langerhans, pretty similar projections for most of these guys, and the group gets a .306 average wOBA projection for 2009. That’s quite a bit better than the C/SS, just slightly better than 2B, and not that much worse than 3B. For a premium defensive position, this is a decent level of free offense.

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((.306 – .330) / 1.2) * 600 = -12

This group is -12 offensively, and considering they’re mostly above average defenders, we might have our first deviation from the norm. With a +2.5 position adjustment for CF, these guys would have to be something like -10 defenders in center field to be two wins below average. But there’s no way to make that argument – Patterson, Abercrombie, Duffy, Ellison – these guys are good defenders. Using their historical UZRs, we’d conclude that they’re probably +5 with the gloves.

-12 offense, +5 defense, +2.5 position adjustment = -4.5 runs.

Half a win. The CHONE projections suggest that you could get a center fielder who is half a win worse than league average for free.

What’s going on here? Are teams really undervaluing this skillset? Is our position adjustment off? Is this just a banner crop of freely available center fielders? I don’t know, honestly. This is definitely an area that needs more research.





Dave is the Managing Editor of FanGraphs.

25 Comments
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joser
17 years ago

Interesting. The deviation is on the offensive side, not the defensive. My first thought was that teams are overvaluing defense in CF (while still undervaluing it in the corner OF spots) but a glance at the starting CFs suggests that’s (mostly) not the case. Still, you’d think some of these guys would get looked at as corner OFs.

fili
17 years ago

Let’s see:
Juan Pierre $10 million. wOBA .312
Andruw Jones $5 milloin. wOBA .000

Argh

Rally
17 years ago

I’m not sure that group is +5 runs above the average center fielder. Good defensive players among all outfielders, but +5 in center is a high standard.

If true though then the composite freely available center fielder looks a lot like the stats of Coco Crisp. If true, why did the Royals give up anything for him?

Jacob Jackson
17 years ago

I’d say that the league (in general, approximately 20 teams) still undervalues the CF skillset.

The best I can give is this anecdotal example:

*Rajai Davis was DFA’d by the Giants last year and passed through the entire NL last year before making it to the A’s. Davis is an absolutely phenomenal defensive centerfielder. Range, instincts, arm, effort – all are great. He’s also a great basestealer.

As for Rally’s question – “why did the Royals give up anything for Coco Crisp?” (given the relatively high level of replacement CF performance):

I think the best answer for this is that the Royals’ brain trust is among the five worst in baseball right now. The M’s and Orioles’ new regimes are making great decisions, while Kansas City’s FO remains woefully behind the curve.

devil_fingers
17 years ago

Ouch, Jacob! Although I’m starting to agree. I was beating the Langerhans drum all winter after he passed through waivers, thanks to sites like this one.

This makes me think of the “three CF OF” post from a week or two back. Could a team really get three 1.5 WAR CFers, put them all in the outfield, watch them not hit, but have a really, really good defense?

The next step would be to throw in some mediocre flyball pitchers, watch their ERAs take off because of the defense, then trade them for prospects to dumb FOs who don’t pay enough attention to FIP…

Omar Minaya
17 years ago
Reply to  devil_fingers

…somebody say something?

devil_fingers
17 years ago
Reply to  Omar Minaya
dartjeff
17 years ago
Reply to  devil_fingers

Isn’t that called the Seattle Mariners? Outfield of Endy Chavez, Franklin Gutierrez, and Ichiro. Pitching staff of Washburn and Carlos Silva.

Jacob Jackson
17 years ago
Reply to  dartjeff

and the O’s are doing the same thing. I think both those front offices are doing a very good job in the last 6 months.

Both are demonstrating a better understanding of “the competitive/win cycle,” baseball economics, and less traditional baseball-card stats.

Terminator X
17 years ago
Reply to  dartjeff

Silva is an extreme groundballer, but yes we’re all hoping that’s the plan for Washburn and maybe a lucky bullpen arm or two.

Alex Poterack
17 years ago

My completely unsubstantiated gut response is that, as mentioned earlier, centerfielders are undervalued. I suspect clubs tend to think of OFs monolithically, at least a little, and don’t realize just *how much more* valuable a CF is than a corner OF

The Ancient Mariner
17 years ago
Reply to  Dave Cameron

I think that’s the nub of it–specifically, that the true CF with real power is seen as a rare talent, and if you think you have one, you pay big money. (Granted, that doesn’t cover Pierre, but I think the real answer there is temporary insanity.) The rest of the CF field is undervalued by comparison.

obsessivegiantscompulsive
17 years ago
Reply to  Dave Cameron

Don’t forget Gary Mathews Jr. (I’m sure the Angels would like to though…)

Snapper
17 years ago

I could imagine that since bad OF defense looks like it’s the pitcher’s fault more often, unsophisticated teams do value OF defense less than IF.

Jacob Jackson
17 years ago
Reply to  Snapper

Great point. It’s harder to see great outfield defense. For that matter, sometimes average outfield defense can LOOK spectacular, because a guy is slow, poorly positioned, or gets bad jumps.

Nook Logan has the ability to catch a ball in stride that Jim Edmonds and Aaron Rowand have to dive for. But Edmonds and Rowand look more spectacular doing it.

I feel like this scenario happens more in the outfield than it does at short or second.

CCW
17 years ago

I suspect, too, that there are simply more good defensive CFs out there than there are good defensive Shortstops. I know this goes directly to the theory of linear weights, and might even suggest the positional adjustments are off, but the fact that there are players who are indisputably bad shortstops who are able to turn themselves into above average CFs (e.g. BJ Upton, Adam Jones) makes me think the pool of players who can play OF well is significantly larger than the pool of players who can play middle infield well.

Agreed, too, that teams probably are not correctly valuing outfield defense. Some are, of course, but some obviously are not. Ahem, Texas, Hamilton, WTF, ahem.

devil_fingers
17 years ago
Reply to  CCW

Texas is an interesting example on the OF/IF issue, in particular, since they were willing to move a bad glove/OK bat off of SS in favor of a very young prospect (Andrus) who looks like he might be the second coming of Adam Everett… with the bat, anyway.

Sky
17 years ago

Quite intriguing!

And yet, the offensive batting line for center fielders is right in line with the defensive positional adjustment.

http://www.beyondtheboxscore.com/2008/12/22/698572/comparing-offensive-and-de

philosofool
17 years ago

The league average OBP last season in the AL was .336 and in the NL .331, so for an AL CF with a .306 wOBP, he’s actually -15 runs, not -12, runs below average.

Another possible locus of explanation is that 2008/2009 off season is anomalous regarding CF, i.e. this year, it’s simply coincidence or accident. It would seem to me that in any given year, we can expect that the market is going to be a little in efficient. If several teams happen to have recently locked up an average or better CF, it’s going to be a bad time to be a free agent CF. (anyway, there’s a hypothesis for test: it’s not like that every year.)

Another possibility is that the CF skill set is undervalued.

philosofool
17 years ago
Reply to  Dave Cameron

How are you calculating play time projections when you determine the average? Because the sum of all the at bats in CHONE almost is four times what actually occurred last year. This is standard for projection systems, which are supposed to capture something other than managerial decisions, like how a particular player would do if he were selected by his team to play his position out of spring training. You see where this is going: unless you correctly weight the CHONE projections to what players will actually be given in terms of play time, the worst players will be excessively weighed in the OBP average and hence the OBP average will be too low. I doubt that CHONE intends to project OBP to fall by much next season, though of course it’s hard to be sure.

You’re right that those guys are annual minor league contract guys. That certainly favors the view according to which these guys are really undervalued.

Rally
17 years ago

Yes, the projection includes many more players than will play in major leagues. This is the result of trying to estimate the available talent level from A+ to the majors. So it’s probably better to just use last year’s major league averages, unless you want to go through and weight them based on who should actually get MLB playing time.