5 on 5 goal Differential

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I don't know enough to know I don't know
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This will be a long post and undoubtedly will be too long for some of you. The ones that take it all in could end up doing very well in this year's post season. It's worth the time and effort.

About a month ago Bushay sent me a link to a theory a blogger for the San Jose Sharks had that would explain why some teams do well in the post season and others fall short.

In short his theory was that there are two main components to team's success. First, Goaltending. Nothing new there, we all know how paramount it is in the playoffs and how a hot goalie can carry a team on his back.

The second aspect was 5 on 5 play. Certainly between the refs letting them play and the players being far more careful to not make the lazy/careless penalty, power plays are at a minimum in the playoffs.

So the impetus on how a team plays 5 on 5 becomes critical in the post season. It made sense to me. After all, in the world of sabermetrics they measure a baseball team's true value in their runs scored/runs allowed columns. Why not do the same in hockey when both teams don't have the handicap or advantage of playing with unequal participants?

I spent a day digesting this and did some homework. Here is what I found and my reply to Bushay........

I did a little research in the 5x5 goal differential and found it had some validity over the last two years when the playoffs pretty much went as planned. However the year out of the lockout didn’t follow the same form. But then that year had little that went according to plan. Here’s the top 3 for the last 3 years and their performance in the playoffs.

2007-08
Detroit +43
Colorado +22
Ottawa +15

Detroit wins cup
Colorado lost to Det. in 2<SUP>nd</SUP> round
Ottawa lost in 1<SUP>st</SUP> round to Pitt.


2006-07
Buffalo +61
Ottawa +51
Detroit +49

Buffalo lost in 3<SUP>rd</SUP> round to Ottawa
Ottawa lost to Anaheim in cup finals
Detroit lost in 3<SUP>rd</SUP> round to Anaheim


2005-06
Detroit +71
Ottawa +39
Dallas +31

Detroit lost in 1<SUP>st</SUP> round
Ottawa lost in round 2
Dallas lost in round 1


Notice in the last two years four out of the top 6 teams in 5 on 5 differential made it to the conference finals, 2 made it to the cup finals, and 1 won the cup.

So here is the final standings for this year's contenders for the cup.

Team-------------For-------Against-------Differential
Boston-----------171----------120-------------51
New Jersey-------154-----------123------------31
Detroit-----------176----------147-------------29
Vancouver--------153----------126------------27
Pittsburgh--------167-----------142------------25
Chicago-----------153----------130------------23
Columbus----------155----------134------------21
Washington--------155----------141------------14
Anaheim------------150----------137-----------13
San Jose-----------136----------125------------11
Calgary-------------167----------160------------7
Philadelphia---------153----------152------------1
Carolina------------138----------138------------0
Montreal-----------145----------151------------6
St Louis------------133----------142------------9
NY Rangers---------130----------145-----------15

There are a few conclusions we make with these numbers.
1) Boston is no fluke and should be a monster in the playoffs. They own goaltending, depth, and solid even strength performance
2) New Jersey also has all the tools needed.
3) Detroit is there with the even strength angle...but do they have the goaltending?
4) Vancouver, Pittsburgh, Chicago, and Columbus not only have good 5 on 5 play but own strength in goal.
5) Everybody else could be in trouble and likely will not win the cup.

Using these numbers to forecast this first round we should see an abundance of favorites cashing but perhaps two big upsets:

In the east no surprises
Boston win easily over Montreal
Washington over the Rangers
Pittsburgh convincingly over Philadelphia
and likewise for New Jersey over Carolina

In the west:
Vancouver over St Louis
Chicago over Calgary

no surprises there but how about....
Anaheim and San Jose clearly in a toss up situation. Neither has the dominant goaltender and their 5 on 5 differential margin is only 2 goals.

Lastly how about Columbus beating Detroit in the first round? Considering the difference in net and that Detroit is only 8 goals better in 5 on 5 play it certainly looks plausible. One thing is for sure. One team shouldn't be a 5/1 favorite on the other.

Conclusion: Take Columbus +400, (or better).
 

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I too did this analysis among other stat crunching, the only caveat is that certain teams are much different today than they were earlier in the season i.e. Car, NYR, Stl, Pitt with new coaches, goalies or deadline deals. One thing that cannot be ignored is that since 1999 at least 2 away teams have won the series in the quarterfinals. Therefore I think the trend has some substance and it should coninue this year.

Other random things that I looked at were teams ytd regulation records and regulation wins versus other playoff teams. Surprising that besides the big 4 (SJ, Det, Wash, Bost) only Car and Pitt had winning records in regulation versus playoff competition. I think the shootout and overtime wins/losses skew things and should be disregarded to some degree
 

I don't know enough to know I don't know
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Other random things that I looked at were teams ytd regulation records and regulation wins versus other playoff teams. Surprising that besides the big 4 (SJ, Det, Wash, Bost) only Car and Pitt had winning records in regulation versus playoff competition. I think the shootout and overtime wins/losses skew things and should be disregarded to some degree

Absolutely agree. Comparing regular season numbers and what will happen in the playoffs really is comparing apples to oranges. But then again it's all we have to work with so let's try to disregard what clearly isn't relevant.

I still think the Rangers manage to fail on all points. Terrible 5x5, regular season record padded with OT wins, and a PP that was worthless. The only things they have going for them is, a good PK, goalie, and Sean Avery. 2 out of 3 isn't bad.
 

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My power rankings which consider 10 team categories stack up like this.

SJ
Det
Bost
Wash
NJ
Chic
Cal
Van
Columbus
Car
Ana
Phil
NYR
STL
Pitt
Mtl

These numbers are derived from the entire season and to not take into account any of the intagibles but by numbers best chances of winning the first series are in this order.

SJ
Bost
Det
Wash
NJ
Van
Chic
Phil
 

I don't know enough to know I don't know
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thanks for sharing this. Really surprised to see Pittsburgh so low on your power rankings.

Now this is one team were the numbers could be skewed and they certainly aren't the team they were in the first half.
 

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totally agree that Pitt/Pens is a tough series to cap, therefore I might bite at +150 since it appears to be close on paper.

I'm with you ANA +250 or better is a must play.

At the end of the day everything that I have looked at point to this being Boston's cup to lose.
 

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