by PuckStopsHere on 08/11/14 at 06:50 PM ET
Last week I posted the top 20 players in the NHL in 2013/14 by team and zone adjusted Corsi rating. I continue my sabermetrics and hockey series by posting the 20 worst players in 2013/14.
Corsi ratings are a measure of puck possession. They are the difference in shots attempted by a team and their opponents when a given player is on the ice. The problem is the number will depend upon all of the players on the ice and not only the individual player. Thus I have taken the raw Corsi rating and applied a team adjustment and another adjustment for zone starts. This attempts to take into account an individual team's puck possession ability and the effects of which zone a player tends to play in. I am using a conversion of 0.6 Corsi events per excess zone start (the accuracy of this number is somewhat in question). I have also subtracted a team's zone starts as they would otherwise be double counted since a team adjustment has already been made. Should a player change teams over the course of the season, any team adjustments will be a combination of the two team's adjustments pro-rated for the number of games spent on each club.
Here are the worst 20 players by team and zone adjusted Corsi in 2013/14:
|17||Kevin Klein||NY Rangers||-175.49|
This is a group of poor puck possession players. I am not convinced it is a fully individualized statistic as the worst 20 players consist of players on only nine teams (finished the season with these teams). The entire top ten consists of only four teams. This is because teammates who are often linemates are hard to differentiate when they are on the ice at mostly the same times.
Carl Gunnarsson is the league worst. He has been traded to St Louis, but I wouldn`t be too optimistic that he is a valuable player in his new surroundings. There are three significant name players on this list in Dion Phaneuf (Gunnarsson`s linemate) and Oiler teammates Ryan Nugent-Hopkins and Taylor Hall. I will write a further piece on the Oiler pairing. Most of the other players on this list are low-level NHLers around whom little is expected. They are quite consistent with being some of the worst puck possession players. Despite this, Philadelphia signed Andrew MacDonald to a $30 million deal this summer. They are an example of a team that is in need of an understanding of Corsi analysis.
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