Tyler Bozak's having a productive few games

Cam Charron
January 16 2014 05:06PM


Image via Ice Hockey wiki

Let's talk about Tyler Bozak for one second:

The most points Tyler Bozak has ever earned in one nine-game stretch of his National Hockey League career is 12, and that was the nine-game stretch ending with that game against Boston Tuesday. While he was held off the scoresheet Wednesday, he still scored the shootout-winning goal. Since returning to the lineup, Bozak has been held off the scoresheet just twice, has two three-point nights, and has two shootout winners to his credit. More importantly, the Leafs are 5-4-0 since his return, obviously spurred by his attendance.

Question: has Tyler Bozak turned the corner? Answer: Probably not.

I don't mean to dampen anybody's mood. After all, this is a happy day at TLN. The sun is shining into the blog's Vancouver headquarters (oh dear, is it still snowy in Toronto?), the team has won three consecutive games and we've just introduced a couple of new writers to our team. The only thing left is for "that Cam idiot" to come here and crap all over Tyler Bozak's hot streak by suggesting it's a small sample, or unsustainable, or whatever it is.

And that's exactly what I'll do. 

(Before anybody stops me with a "but the team has played sooooo much better since Bozak came back to the lineup" I'm just going to remind you that the Leafs lost six straight games with Bozak in the lineup before the games against Carolina and then the Winter Classic. Toronto are 12-11-2 with Bozak in the lineup [an 85-point pace] and 12-9-3 when he isn't dressed [a 92-point pace]. While it's a flimsy argument that Bozak makes Toronto worse, it disproves that Toronto is "better" when he's around if you're looking at wins and losses totals to increase your argument.) 

Just to make the point, we're going to bring in an old friend from last year, Nazem Kadri's on-ice shooting percentage:

  Kadri On-Ice Sh%
Last Year 15.2%
This Year 7.4%

On-ice shooting percentage isn't particularly advanced. It's on-ice goals divided by on-ice shots, taking into account only 5-on-5 play. It's also highly unpredictable and unstable, and being a point-a-game player thanks to having an on-ice shooting percentage does not mean a player is a point-a-game player. 

I think a lot of observers that tend to worry about the numbers and not the game may note that Nazem Kadri has had a bad year, or at the very least, a year where he has failed to improve. Not really. Taking into account defence, setups, overall offensive involvement and two-way play I'd suggest Kadri has improved, even if his points-per-game rate has dipped by 33%. That was to be expected, though. I hammered it home on this website all summer long.

Bozak has 11 points in nine games. That's happened one other time (if we discount all the games from this little run of his) between November 10 and November 27, 2011. Over his next nine games, from November 30 to December 19, Bozak had just seven points, and over the nine games after, he had just three.

It's difficult to ignore the volume of words from the Bozak Brigade, particularly given everything I said about him in the offseason. The problem with this is that if you expect me to mention Bozak is playing great every time he goes on a hot streak (which every player does) then you should also expect me to rub it in when things go the wrong way. Over his career, Bozak has been most often observed scoring four points in a nine-game segment. Four points in nine games isn't bad, but it's not $4-million good. 

Adam Gretz at SB Nation got into all the math, if you're into that:

In his last 13 games, a stretch that's seen Bozak tally 16 total points, the Maple Leafs have scored 16 goals with Bozak on the ice during 5-on-5 play. They've done this while recording just 112 shots on goal, which results in an on-ice shooting percentage of 14.2, a ridiculously high number that no player can realistically hope to maintain for an extended period of time. Since the start of the 2007-08 season only four players have appeared in at least 40 games and finished with an on-ice shooting percentage higher than 14 percent (Nazem Kadri and Mark Fraser last year, Darryl Boyce in 2011-12, and Daniel Sedin in 2009-10).

For me, I don't believe for a second that the math is all that necessary to know what's going to happen in the long run. I bring up the analogy of chess with my friend Jeff, and even though he's better than me, I still win 25-30 per cent of our games (although we haven't played much since we now live in different cities). If we played ten games over the next ten days, and I happened to win five of them, knowing my history as often losing more than I win, would you be confident I would still win five games? I wouldn't be. I'm very bearish on promoting anybody's play based on a small sample of games (remember our Jonathan Bernier example from earlier this season), since I would get burned whenever I tried to in the past.

REGRESSION TO THE MEAN

Regression to the mean is a fundamental concept for understanding how anything works. You may have heard the term "random walk" before, and the optimal picture would be a drunkard staggering down the sidewalk. If he gets too far off course, say, into the street, or bumping against the buildings he's walking by, he's going to deviate back towards the path, or the mean. Over the course of his mile-long jaunt from the pub to his front door, the "mean" or "average" will be a very smooth line, but the drunkard's path looks to be more random than anything.

Because Bozak has been hurt for half the season, we can infer plausible conclusions from his play. The problem is that you can't base your projection of a hockey player based on only seeing the good aspects. In 25 games, more is likely to go well right, or well wrong (just as our drunk may go an entire city block walking down the middle of the street. Eventually, he might correct himself). With 22 points in 25 games, Bozak has a points-per-game rate of 0.88 despite a career rate of 0.59. Compare the likelihood that Bozak suddenly got up two weeks ago and decided he was suddenly going to produce like an NHL All-Star, versus the likelihood that Bozak is in the middle of a particularly lucky streak. Of course, the first option isn't impossible as much as it is implausible and if offered a bet that between now and the end of the season Bozak's points-per-game rate will be 0.88 or higher, I would definitely bet against him.

None of this changes that Bozak's hot streak has given the Leafs a bit of life after looking their worst on the season in a four-game losing streak, but this post is mostly a warning. Don't latch on to good production when you only have a small sample to work with, since you will more often than not be heartbroken with what follows.

A GAME IN THE COMMENTS SECTION

Let's play a simple game here. Guess what Tyler Bozak's points-per-game rate will be between now and the end of the year. At the end of the season I'll revisit this post and analyze the data.

My own guess is 0.64.

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Cam Charron is a BC hockey fan that writes about hockey on many different websites including this one.
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#1 Pension Plan Puppets
January 16 2014, 05:22PM
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I guess 0.60.

Also, if you don't put a guess here, then you have forfeited the right to cry about people calling out Bozak and ever commenting about hindsight and all the bloo bloo that goes on when someone doesn't worship a player that's had two good percentage driven weeks.

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#2 SkinnyFish
January 16 2014, 05:26PM
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0.55

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#3 leaferfan
January 16 2014, 05:27PM
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Fortunately, Nonis extended Bozak on a fair of contract compared to St Louis who extended Steen during a blip year in his SH%. Also it was smart on Nonis to give Kadri a prove me contract.

That said, my expectations for Bozak or so low there is no possible way he can disappoint me so long as he keeps cleaning up for the absent defence on the first line and offensively hits a few bodies, goes to the front of the net and wins a few faceoffs.

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#4 Graphic Comments
January 16 2014, 05:29PM
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I guess .55378008

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#5 Bozie the Clown
January 16 2014, 05:31PM
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1.00 because his line is looking pretty good even with Kessel "slumping", get Kessel going and things will only go up.

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#6 draglikepull
January 16 2014, 05:32PM
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.55, the equivalent of 45 points over an 82 game season.

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#7 scrambles
January 16 2014, 05:34PM
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.65

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#8 Adrian
January 16 2014, 05:37PM
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I don't like Bozak normally, but I'll go the optimist route and say 0.75.

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#10 Species 1967
January 16 2014, 05:50PM
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1.8ppg.

I have it planned out, and it's going to be fantastic.

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#11 Adam
January 16 2014, 06:19PM
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0.63

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#12 Madrush
January 16 2014, 07:00PM
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0.72

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#13 STAN
January 16 2014, 07:37PM
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Jackie Robinson / Tyler Bozak - .42

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#15 leaferfan
January 16 2014, 09:03PM
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I had to think about the correct answer to this, and need to inform you that this is going about it all wrong. We should know by now that shots are the most repeatable and predictable aspect of the game.

And so, I'm using Fenwick For 20 and expect a 5v5 FF20 = 13.0345 pace.

You guys know I'm right, but hey pretty understandable rookie statistic mistake.

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#16 Steve Dangle
January 16 2014, 09:13PM
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Cam Charron wrote:

Bozie has a great Halloween costume idea now.

oooof

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#17 Steve Dangle
January 16 2014, 09:14PM
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0.67 for obvious reasons.

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#18 Back in Black
January 16 2014, 10:17PM
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@leaferfan

"there is no possible way he can disappoint me so long as he keeps cleaning up for the absent defence on the first line..."

Ouch. I think you're going to be disappointed. Anyway, I'll go with 0.57. Unless there's a coaching change. Then 0.47.

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#19 Bertly83
January 17 2014, 06:43AM
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was all excited to put:

0.67

then dangle beat me to it...

well done sir.

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#20 Deaner
January 17 2014, 07:23AM
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I'll take the optimistic/immature route:

.8008135

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#21 Phil
January 17 2014, 07:24AM
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He's going to get hurt again during this hotstreak because that contract has made him fragile. So it'll probably be high and everyone will go on about how good he would have been had Bozak played the whole year.

Let's go 0.99.

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#22 VanillaPhace
January 17 2014, 08:18AM
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0.69 :D

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#23 Leaf Fan in Mexico
January 17 2014, 08:41AM
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The problem is in the dressing room and lack of leadership up front, my guess: Bozak bump will trail off (back to the mean) once he has been subsumed back into the Leaf culture (best described as uncertain if they are winners....)

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#24 Chemmy
January 17 2014, 10:00AM
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.61

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#25 Bruce Dude from Halliburton Ontario
January 17 2014, 11:00AM
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0.6025

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#26 STAN
January 17 2014, 03:17PM
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Quick thought, in the wake of the Senators' phoney anger at PK Subban's OT goal celebration.

I LOVE the way Bozak, Raymond and Morgan Rielly DON'T get all spastic after scoring. It's calm. A few gloves touches. A smile and reluctant group hugging.

It shows they've been there before and that the over the top celebrations are reserved for when it really means something, like winning a playoff series or the Cup.

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#27 Jordan
January 17 2014, 06:17PM
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.71 How many more articles will be written on Bozak and regression? I don't know of anyone on the face of the planet who thinks he will continue this pace. He will continue to improve though as it is still early in his career. He is a very good all around player, so let's just accept him for what he is.

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#28 Jordan
January 17 2014, 06:26PM
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Pension Plan Puppets wrote:

I guess 0.60.

Also, if you don't put a guess here, then you have forfeited the right to cry about people calling out Bozak and ever commenting about hindsight and all the bloo bloo that goes on when someone doesn't worship a player that's had two good percentage driven weeks.

I come here to get away from the PPP kids. What gives?

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#29 MaxPower417
January 18 2014, 09:04AM
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0.59

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#30 jasken
January 18 2014, 10:30AM
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.73

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#31 Jay
January 18 2014, 03:26PM
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Hey Jordan, MLHS might be better suited for you. Lots of people there love Bozak.

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#32 Joe
January 18 2014, 10:17PM
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1 big point(assist) in 1 game.

LOL

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