Evaluating Defensemen using their effect on both team and opponent Corsi%

Jana Chytilova/Freestyle Photo

There is more than one way up the mountain when it comes to player evaluations.

Tyler Dellow has recently pushed for defensemen evaluations via their effect on their team's Corsi%, also known as relCorsi. Over at Hockey-Graphs, I published today that there is another angle to look at as well: how a defenseman affects their opponents Corsi%.

The article is worth a look and some discussion. The punchline though is in this graph here:

Bqc02rvceaa0vu3_medium

For fun, I thought we'd like to look at how different Jets defenders fared in these different metrics.

Player

delTmC%

-delOpC%

distance from (0,0)

Combined (dTm+(-dOp))

Tobias Enstrom

2.70%

2.40%

3.60%

5.10%

Dustin Byfuglien

1.80%

1.50%

2.30%

3.30%

Paul Postma

0.00%

-0.30%

0.30%

-0.30%

Grant Clitsome

0.00%

-0.60%

0.60%

-0.60%

Jacob Trouba

-0.70%

-0.40%

0.80%

-1.10%

Zach Bogosian

-1.00%

-0.40%

1.10%

-1.40%

Mark Stuart

-2.40%

-2.20%

3.30%

-4.60%

Jets defensemen with 500+ 5v5 minutes accrued on team and signed for next season.

A positive delTmC% means that Jets players are in general better with the player on the ice than off.
A positive -delOpC% means that the Jets opponents do worse with the player on the ice than off.

Some thoughts:

* There is an obvious link but  some differences exist.

* Tobias Enstrom is really good at hockey. I don't care what anyone says about his size. They are misguided.

* The Jets will likely miss Byfuglien on defense, although if Trouba can be freed of his anchor, maybe we can start to see an awesome Enstrom-Trouba pair.

* Both Trouba and Bogosian seem to hurt their team's Corsi% more so than than they help their opponent. This discrepency is likely due to their defensive heavy deployment.

* Clitsome has the most extreme opposite effect, meaning his relCorsi may be overstating his effectiveness.

* Mark Stuart received an extension and...  well...

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