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The Puck Stops Here

Top Corsi Rates

This summer in my look at sabermetrics and hockey, I have been looking at the Corsi Number.  They are much like +/- ratings, except since they include all shots directed at the goal (including missed shots and blocked shots) they give much larger numbers with less random fluctuations in them,  They show who is driving puck possession (those players with good Corsis) and remove the element of goaltending from +/-.  When players play defensive roles that do not drive puck possession, their Corsi is not always a good method of rating their play (with the best example of this being Jan Hejda).  Thus far, I have only looked at Corsi Numbers treated as counting numbers and not as rates (per minute).  This is how they are treated at behind the net.

Here are the top twenty players (with 50 games played or more last year) ranked by Corsi per minute of 5 on 5 play:

2008/09 Top 20 Corsi Rates
Rank  
Player   
Team   
Corsi   
1Sergei FedorovWas

+24.8

2Eric FehrWas

+23.9

3David MossCgy

+23.8

4Pavel DatsyukDet

+23.0

5Marian HossaDet

+22.5

6Johan FranzenDet

+22.2

7Mark GiordanoCgy

+21.4

8Henrik ZetterbergDet

+20.1

9Tomas HolmstromDet

+19.9

10Curtis GlencrossCgy

+19.2

11Alexander OvechkinWas

+19.0

12Mikael SamuelssonDet

+18.9

13Mike GreenWas

+18.6

14Brian RafalskiDet

+18.3

15Nicklas LidstromDet

+18.1

16Jiri HudlerDet

+17.9

17Niklas KronwallDet

+17.7

18Alexander SeminWas

+17.5

19Zach PariseNJ

+16.6

20Ryan GetzlafAna

+16.6



Clearly there is a need to adjust these ratings to account for team effects.  The top 18 players on this list come from only three teams - Calgary, Detroit and Washington.  These are the top three teams when ranked by team Corsi Numbers.  It is team effects that get most of the players onto this list.

We see that many of the same players who appear on the top 20 counting number list also appear here.  That is not a surprise.  However, there are a significant number of players who had good Corsi rates but did not have enough ice time to get onto the counting number list.  That is most clear at the top of this list where Sergei Fedorov and Eric Fehr both appear.  Neither made the top 20 counting number list.  This list can be adjusted in a similar manner to the way +/- ratings are calculated on/off ice.

This is a list of the top Corsi rates is a list of players on good teams who had good puck possession.  We will see in the future how much the team element can be removed to better measure individual players.

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About The Puck Stops Here

imageThe Puck Stops Here was founded during the 2004/05 lockout as a place to rant about hockey. The original site contains over 1000 posts, some of which were also published on FoxSports.com.

Who am I? A diehard hockey fan.

Why am I blogging? I want to.

Why are you reading it? ???

Email: y2kfhl@hotmail.com