Know Your Enemy: Utah vs. Northwestern, S&P+ Breakdown

This topic has 4 replies, 4 voices, and was last updated 5 years, 11 months ago by shakeitsugaree.

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- 12/26/2018 at 12:17 PM #86108
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  shakeitsugaree
  Participant
  
  Happy Holidays! And by holidays, I mean bowl season – the most wonderful tiiiiiime of the yeeeeeear!
  
  Utah landed a spot in the Holiday Bowl this year, following a first-ever outright Pac12 South Championship. This was the finish predicted at the beginning of the year by advanced metrics: see here and here, so that’s kinda neat.
  
  But it wouldn’t be a shakeitsugaree post without a graph of some sort, so I charted Utah’s Pac12 wins, by year, since joining the conference:
  
  The trendline tells the story here – despite the low R-squared value (wins by year is kind of a volatile thing, especially over a small sample size), the trend is definitely positive. I like our chances to repeat in the South next year!!
  
  So, on to the final game of the year – what does S&P+ have to say about the Utah vs. Northwestern matchup?
  
  S&P+ ranks Utah 17, Northwestern 80; this system predicts a Utah victory by a margin of 15.5 points. So, we win pretty handily, says Bill Connelly.
  
  I wanted to dive a little deeper into this matchup and try to predict where things might go wrong for Utah and right for Northwestern, so here are a few places where Northwestern excels:
  
  Northwestern Overall Defense S&P+ 32
  Northwestern Rushing Defense S&P+ 19
  
  Northwestern’s defense is not to be taken lightly (Utah’s Overall Defense S&P+ ranks 22), and they defend the run well. Northwestern’s offense is another story:
  
  Northwestern Overall Offense S&P+ 103
  Northwestern Rushing Offense S&P+ 112
  Northwestern Passing Offense S&P+ 85
  
  So the defenses are probably going to dominate this game, with Utah‘s offense having a bit of an advantage, according to the numbers:
  
  Utah Overall Offense S&P+ 43
  Utah Rushing Offense S&P+ 27
  Utah Passing Offense S&P+ 49
  
  I like the ‘strength on strength’ matchup of Utah’s rushing attack vs. Northwestern’s rushing defense – it will be fun to see who wins that battle – but it looks like to me that Utah might win this game through the air (as I am typing that, I am chuckling a little bit): Northwestern Passing Defense S&P+ 75. If Shelley and the wide receiver corp can get something going through the air, I like that 15 point margin.
  
  What do all of you think? Do these numbers make sense to you? Any score predictions?
  
  Cheers, everyone!
  
  *Edited to include Northwestern Passing Defense S&P+
- 12/26/2018 at 12:35 PM #86110
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  KiYi-Ute
  Participant
  
  I do love a good graph. If everyone comes back next year, with our schedule I predict an increase in Pac12 wins and another championship.
  
  For the bowl game, I like Utah by 10.
- 12/26/2018 at 12:59 PM #86112
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  EagleMountainUte
  Participant
  
  Feels like it will be a low scoring affair. Utah can score in bundles at times though and hold opponents scoreless for multiple possessions.
- 12/26/2018 at 1:51 PM #86114
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  Tony (admin)
  Keymaster
  
  I get the Overall, Rushing and Passing rankings, but those I’m guessing are compiled by all games played to this point. 3/4 of those games had Moss, Huntley, Covey, Chase playing. What would the rankings be without them? That’s probably a different story.
  - 12/26/2018 at 3:20 PM #86124
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    shakeitsugaree
    Participant
    
    This is a good point, Tony – it’s my understanding that the S&P+ rankings are fluid – meaning, they are calculated on a game by game basis. So you are correct that today’s rankings are impacted by previous games where we were at ‘full’ strength. However, there have been four games without Huntley & Moss and the offense did just fine:
    
    So, the 40+ point games impact the ranking, but so do the 30 point games when we weren’t at full strength.
    
    As an aside, S&P+ says we definitely should have lost the CCG, but not only because of poor offensive play – most likely forced by an elite defense – but it also assigns about 8 of Washington’s points to ‘turnover luck‘
    
    But I digress …
    
    So, what would the offense look like without Huntley and Moss? Serviceable. What will the offense look like without Huntley, Moss and Covey? I agree – there are no data for that scenario. What will the defense look like without Hansen? Again, it’s unclear. However – part of the S&P+ system is to account for depth; it’s part of the reason that teams like Alabama and Michigan are always in the top rankings. So, there is some contingency for personnel loss due to injury ‘baked into’ the S&P+ formula. That being said, we are a better team in almost every metric, offense and defense. Even with the losses of our key contributors, it seems very likely Utah gets the W here.
    
    Like I said in my original post, if Shelley and Co. can find any traction at all in the passing game, I like Utah by 15. Will they? That’s a different question. Bovada has the line at Utah -7; if I weren’t a starving grad student, I’d probably give those points.
    
    Cheers
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