Success in Hockey

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Sports Stat of the Week August 4th, 2009:
Hockey season is fast approaching. It’s time to put last season behind us. So this week hockey is on my mind. The question kicking me today, “Is there any correlation between penalty minutes per game and Stanley Cups?” The data I pulled from the NHL covers 1997-2009. I created a Strength of Team (SOT) component based on the number of playoff appearances weighted by how deep into the playoffs with emphasis given to those in the Cup Finals and Cup winners.

It was no surprise that Detroit ended up at the top of the chart (handful of cup wins) and I was delightfully reminded that Dallas is a perennial contender even if our most recent season was a stinker. The top 10 by SOT:

Detroit Red Wings
New Jersey Devils
Dallas Stars
Colorado Avalanche
Pittsburg Penguins
Anaheim Ducks
Ottawa Senators
Carolina Hurricanes
Philadelphia Flyers
San Jose Sharks

On another day I’ll tackle the info that half(!) of the Pacific Division teams are in the top 10….

My thought process – is it the more aggressive teams that dominate or is it the teams who can keep their boys out of the box . . . check this out.

Success in Hockey
Success in Hockey

Definitions:
PIM/game = Average penalty minutes per game (vertical axis)
SOT = Strength of team, higher score is better (horizontal axis)

I was a little surprised. There is a very strong trend pointing to keeping the boys on the ice. Whether I looked at Regular season PIM/game versus Strength of Team or Playoff PIM/game versus Strength of Team there is a pronounced trend indicating the winningest teams keep their players out of the box. Let me correct that, the teams who win the games that matter most keep their boys out of the box.

For the data wonks, I used linear, logarithmic, power and exponential trend lines, all indicated downward trend. I even used some season-over-season moving averages. Log and linear trend lines are on the graph.

So coach, keep the boys out of the box. Please!

Published bykatemckeon

You can try anything one time in Texas . . . after that we may shoot you. -Kate McKeon

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