by PuckStopsHere on 07/22/14 at 02:07 PM ET
Several days ago I listed the top 20 players by team adjusted Corsi. Today I want to look at the flip-side and see the 20 worst players by the same measure. Corsi is the difference between attempted shots (shots on goal, missed shots and blocked shots) for and against a team when a given player is on the ice. This is a measure of puck possession on the team level. In order to try to make it a more team independent measure, the first thing one can do is subtract off a team adjustment. That is what is done here.
This list has a problem where several players on the list got traded during the course of the season. It is not uncommon for players who are playing poorly (and hence have a poor Corsi) to be traded or waived during the course of a season. In that case, the team adjustment was weighted so that if a player played 60% of his games with team A and 40% with team B, his team adjustment would be 60% of team A`s and 40% of team B`s.
Here are the worst 20 players in the 2013/14 season by team adjusted Corsi:
This list consists of several teams. 14 teams had at least one player spend part of the season playing with them. That is one team short of half the league. Edmonton shows up four times on the list, although only two of the players finished their season there. Four of these 20 players changed teams during the season.
This list can be further improved by taking into account the role each individual player played on his team. Players who have more offensive zone starts will likely have better Corsi ratings than those with many defensive zone starts. Thus it isn't correct to assume without further analysis that these players all failed last season, though many did.
Carl Gunnarsson remains at the bottom of this list. Chris Butler is next. He is followed by the biggest name player on this list in Dion Phaneuf. I think it will be valuable to take a closer look at Phaneuf before moving on.
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