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Win Share Predictions: Celtics Among Elite

I’m a little late on this, but I wanted to make sure to pass along Basketball Reference’s Win Shares-based projections for next season. Quick explainer: BR’s Win Shares stats act like Bill James’ Win Shares stat in baseball—and a little like VORP, or Value Over Replacement Player, as well—in that they attempt to calculate how many wins an individual player is worth over the course of a season. As explained here and here, Win Shares attempts to factor out the quality of a player’s team, so that players don’t get artificial credit for playing on a good team (as happens with offensive and defensive ratings).

The stat also factors in minutes played in addition to per-minute production. So a role player who is productive in limited minutes doesn’t score as well in WS as he would in John Hollinger’s PER stat. (Hollinger also has a Win Shares formula at ESPN.com.

In any case, here’s the top of the Eastern Conference standings, per BR’s Win Shares:

Picture 26

Obviously, this is no major surprise to us. We consider the Celtics contenders on par with Cleveland, Orlando and the Lakers, and BR’s formula reflects that. But it’s a relief anyway. I have to say—there is a growing perception out there that the Celtics are not really contenders this season. You occasionally see it in non-Boston papers, and I hear about it everywhere I go. I was at a wedding last weekend, and a friend who knows I write about the Celtics pulled me aside and asked me something like: “Ok, Zach. Basketball fan to basketball fan—Are the Celtics really contenders this season?” He doesn’t think so, for a litany of reasons—age, health, a general belief that certain Celtics, especially Glen Davis, are overrated, etc.

I’m surprised how much I hear this kind of thing at social gatherings. A lot of it obviously has to do with the fact that the Big Three are all over 30, and that KG’s knee broke down last season.

The Win Shares stat gives me another argument to use the next time I come across a doubter. Of course, Win Shares cannot calculate the likelihood that Kevin Garnett’s popliteus tendon stays healthy all season. I hope those lazy bums at BR are getting to work on a Win Shares formula that can factor in KG’s popliteus. Come on, guys.

Out West, BR’s Win Shares formula has the Lakers and Utah neck and neck for the top spot, with six teams bunched below them.

Oh—go ahead and ignore the low win totals at the top of the standings and the high-ish ones at the bottom. The formula shoves everything toward the mean, including the number of minutes each player is projected to play. It errs on the ultra-safe side. The best players get credit for fewer minutes than they’ll actually play, and the formula squeezes totals toward the middle. Obviously, BR is well aware that Boston, Cleveland and Orlando will all likely win far more than 50 games.

Below is the Celtics player-by-player breakdown. As you can see, the formula projects Rajon Rondo and Paul Pierce as the most productive players on the team, just ahead of KG and Ray Allen. But Kevin Garnett is really the most productive player of the bunch, because the formula, perhaps considering his recent injury history, gives him just 2,167 minutes, fewer than he has played in any season other than 1999 (the lockout) and last season.

Picture 27

  • T

    just a quick response to your friend commenting on Big Baby being overrated. If people are telling me that my back-up power forward/center (and most likely coming off the bench after 'Sheed) is overrated, then my team is probably in good shape.

  • PJ

    Interesting that Rondo is, by this stat, considered to be, per minute, the second-best player on the team, after Garnett. On some of the smarter Celtics websites, there seems to be a consensus that Rondo is overrated by advanced statistical measures — that, in some sense, he gets some of his numbers at the expense of the team; that a less flashy, more conventional point guard would suit the team better; and that Rondo is not the kind of player a team can build around. I'd love to see you address that debate at some point (focusing more on stats and the evaluation of Rondo, and less on what his contract should be — that debate's been done to death, I think).

  • KY Celts fan

    i'm not sure i trust these win share predictions. they looked alright to me until I said Utah was neck and neck with LA this year. Personally, I think the Jazz end up exactly where they did last year, if not fall off into the lottery. Besides Deron, who else do they have?

  • JRatzloff

    KY: I agree about the Jazz slipping off, but i believe that they at least have Millsap with them to team up with deron. But other than them, they're done, okur ain't great, boozer knows he won't be with the team next year so his motivation may not be the best, and they don't have a SOLID shooting guard.

  • http://www.celticshub.com Zach Lowe

    @T: In defense of my buddy, I think he mentioned Big Baby in the sense of "If KG goes down, there's no way Baby can play as well as he did last year again.

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