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Corsi and Zone Start Adjusted Corsi, By Line

Just before the season, BCapp made a fanpost over at PPP giving an average number of points for each forward line. It serves as a valuable reference for comparing the scoring of a player to their role on the team and taking a look at the scoring depth of a team. I thought I would come up with similar figures for Corsi and zone-start adjusted Corsi.

Methodology

To get these numbers, I first looked only at guys playing at least 20 games for the season and sorted them by 5-on-5 time on ice per game to get a top 9. I then sorted the top 9 by Corsi/ZSAC. For the top line, I used the top 3 players on each team. For the second line, players ranked 4-6 etc. So these are team averages. For the bottom line, for each team each season I took the average, weighted by 5-on-5 ice time, for all players that either did not play 20 games or were not in the top 9 in ice time of those who did. The numbers reported are the 25th percentile, median and 75th percentile from the 2007-2008 to 2010-2011 seasons.

All numbers courtesy of BTN.

Results

Raw Corsi Below Average Median Above Average
Top Line 2.81 7.16 11.97
2nd Line -2.41 1.93 6.2
3rd Line -8.73 -4.06 0.28
Bottom -7.88 -3.67 -0.12

ZSAC

Below Average Median Above Average
Top Line 2.82 6.69 11.34
2nd Line -2.41 2.09 5.88
3rd Line -7.96 -4.08 0.19
Bottom -7.52 -3.45 -0.2

Uses

In addition to giving you a frame of reference, I'll be using this to look at depth and the relative strengths and weaknesses of each team. We can get an objective measure of possession depth by comparing the players on a team to the numbers in the table above.