Maple Leaf defensemen and their effect on save percentage

The other day I looked at the effect that Mike Weaver and Bryce Salvador had on their teams save percentage (if you haven’t read it, definitely go give it a read) when they were on the ice versus when they weren’t on the ice. Today I am going to take a look at the Maple Leaf defensemen to see if there are any interesting trends to spot. We’ll start with the new acquisitions. Stephane Robidas (Blue line above orange is good in these charts, opposite is not good) Aside from 2008-09 he has had a negative impact on his team save percentage.

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Is success partly to blame for Dion Phaneuf’s and Mikhail Grabovski’s poor corsi last year?

I had first intended this to be a comment to Tyler Dellow’s investigation into Phaneuf and Grabovski shot totals for and against when they were on the ice together but once I started pulling numbers I decided it was important enough to have a post on its own and not get hidden in the comments somewhere. Go read Tyler’s post because it is a worthwhile read but he found that the when Grabovski/Phaneuf were on the ice together the Leafs were incredibly poor at getting shift with shots while good at having shifts where they gave up shots and it

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Dion Phaneuf protecting a lead vs playing catch up

After last weeks untimely pinch by Dion Phaneuf in game 4 that led to an overtime goal and the Bruins taking a 3-1 lead in the first round series there was a lot of evaluation of Phaneuf as a defenseman both good and bad. I was intending to write an article to discuss the relative merits of Dion Phaneuf and attempt to get an idea of where he stands among NHL defensemen but in the process of researching that I came across some interesting Phaneuf stats that I think deserve their own post so here it is. My observation was

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Who are drags on the Maple Leafs possession game

Even though I am a proponent of shot quality and the idea that the percentages matter (shooting and save percentage) puck control and possession are still an important part of the game and the Maple Leafs are dreadful at it. One of the better easily available metrics for measuring possession is fenwick percentage (FF%) which is a measure of the percentage shot attempts (shots + shots that missed the net) that your team took. So a FF% of 52% would mean your team took 52% of the shots while the opposing team took 48% of the shots. During 5v5 situations

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Player TOI usage charts

One of the challenges in hockey analytics, or any type of data analysis, is how to best visualize data in a way that is exceptionally informative and yet really simple to understand. I have been working on a few things can came up with something that I think might be a useful tool to understand how a player gets utilized by his coach. Let’s start with some background. We can get an idea of how a player is utilized by looking at when the player gets used and how frequently he gets used.  Offensive players get more ice time on

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