by PuckStopsHere on 07/23/11 at 03:24 PM ET
Today I will step beyond the top 20 raw Corsi ratings to incorporate team Corsi ratings. I will adjust Corsi ratings for team effects by the same process as I have done for adjusted +/- ratings. The basic idea is to find a team baseline which is subtracted from each player to make comparisons across different teams. This won’t adjust for difficulty of opposition or defensive zone starts, but it is a start in trying to better put Corsi ratings into context. There will remain players who are higher or lower ranked than one might expect, but much of this can be corrected with further contextual adjustments.
Here are the top 20 players in 2010/11 by team adjusted Corsi rating:
Dustin Byfuglien leads this list. He was the puck possession leader for the Atlanta Thrashers, but he has some other reasons for being ranked this high that I will look at later. Namely, he was given a lot of offensive zone starts for a player on a weaker team. Ryan Kesler drops to second here. The Toronto pair of Mikhail Grabovski and Clarke MacArthur is next. They too appear higher than one might expect and I will look at them in a future post.
Chicago’s Jonathan Toews and Duncan Keith are players one might expect to find on a list like this. They are followed by Ryane Clowe, who leads the San Jose Sharks. Next up are Christian Ehrhoff and Daniel Sedin, who were members of the Vancouver Canucks.
Justin Williams of the Los Angeles Kings is a surprise to be ranked this high. Zdeno Chara is a top defenceman and comes next. Mason Raymond is another Canuck on this list. Brian Gionta is the top player from the Montreal Canadiens.
Alexander Steen had a good number of offensive zone starts and led the St Louis Blues. Patrik Elias is the New Jersey Devils leader. Patrick Kane and Kris Letang are tied for the next position.
Alexander Ovechkin, Henrik Sedin and Nicklas Backstrom fill out the top 20 and are the kind of players one might expect to be here.
This is a step in the direction toward better putting Corsi ratings into context. Team effects have been removed. Effects from tough opposition, lots of defensive zone starts and other problems remain. I will take a look at some of the more surprising players on this list to see why they are here.
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