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14 Jul 2009

# Varsity Numbers: Introducing POE

by Bill Connelly

Regular Varsity Numbers readers have probably become familiar with some of the basic VN concepts, namely PPP (Points Per Play) and the "+". PPP is a measure of explosiveness--the amount of Equivalent Points (EqPts) averaged per play. The "+" number compares an offense's output to the output expected against a given defense, and vice versa. With the "+" number, 100 is average, anything above 100 is good, and anything below 100 is bad.

### Points Over Expected

Is there any way to use these concepts to come up with a good rushing measure? Of course! Meet POE (Points Over Expected), the collegiate stepchild of DYAR. Whereas a rusher's PPP+ would compare his EqPts output to what would be expected, and is therefore great for measuring an offense's overall effectiveness, POE is cumulative. It is a comparison of a rusher's total EqPts to the Expected EqPt total, subtracting the latter from the former.

POE = EqPts - Expected EqPts.

Sheer durability and longevity are important characteristics in a rusher, so simply looking at PPP+ doesn't tell the whole story. A runner can come in as a change-of-pace back for 5-6 carries per game and put up a drastically high PPP+, but that doesn't mean he would put up those high rates over the course of a game or season. A runner posts a high POE by showing both a successful PPP+ level and the ability to carry the ball many times. Some (Florida's Jeffrey Demps, North Carolina's Greg Little) proved they could post high PPP+ numbers, while Michigan State's Javon Ringer (30 carries per game) proved he could be a workhorse, but the names at the top of the POE list did both.

Let's take a list at who the POE measure tells us were the best backs in college football last year.

 Top 25 College Rushers according to POE, 2008 Rank Player School Year EqPts Exp.EqPts PPP+ POE NationalRank (Yds) 1 Jahvid Best California So. 102.8 62.0 165.9 +40.9 5 2 Shonn Greene Iowa Jr.* 131.4 93.2 141.0 +38.2 2 3 LaGarrette Blount Oregon Jr. 80.3 42.8 187.5 +37.5 49 4 Jonathan Dwyer Georgia Tech So. 93.6 57.1 164.1 +36.5 12 5 Kendall Hunter Oklahoma State So. 112.7 78.7 143.2 +34.0 6 6 Jeremiah Johnson Oregon Sr. 81.4 50.4 161.5 +31.0 27 7 Chris Brown Oklahoma Jr. 100.7 69.9 144.1 +30.8 26 8 Knowshon Moreno Georgia So.* 96.2 65.7 146.5 +30.6 11 9 Evan Royster Penn State So. 84.7 54.2 156.2 +30.5 24 10 Shun White Navy Sr. 69.6 39.7 175.3 +29.9 39 11 Charles Scott LSU Jr. 90.4 61.7 146.5 +28.7 29 12 Donald Brown Connecticut Jr.* 133.2 105.9 125.8 +27.3 1 13 LeSean McCoy Pittsburgh So.* 111.8 85.7 130.5 +26.1 9 Rank Player School Year EqPts Exp.EqPts PPP+ POE NationalRank (Yds) 14 Derrick Washington Missouri So. 84.8 59.4 142.7 +25.4 45 15 Glen Coffee Alabama Sr. 87.3 62.1 140.7 +25.2 13 16 Jeffrey Demps Florida Fr. 45.8 21.0 218.0 +24.8 106 17 Vai Taua Nevada So. 100.0 75.7 132.2 +24.4 8 18 Toby Gerhart Stanford Jr. 81.0 60.9 133.0 +20.1 34 19 Tyrell Fenroy UL-Lafayette Sr. 98.0 78.0 125.6 +20.0 14 20 Mark Ingram Alabama Fr. 58.7 39.2 149.8 +19.5 74 21 John Clay Wisconsin Fr. 62.7 44.2 141.7 +18.5 55 22 Tarrion Adams Tulsa Sr. 101.1 83.2 121.4 +17.8 7 23 Roddy Jones Georgia Tech Fr. 41.3 23.4 176.1 +17.8 84 24 Bryce Beall Houston Fr. 83.4 66.2 126.0 +17.2 22 25 Keith Toston Oklahoma State Jr. 50.2 33.8 148.8 +16.5 87 * Declared early for the NFL Draft

The six running backs who received the most All-America attention last winter were Greene, Dwyer, Hunter, Moreno, Donald Brown, and Michigan State's Javon Ringer. Ringer was fourth in the country in rushing yards last year, but where did he stack up in POE? A whopping 137th, between Ball State backup Cory Sykes and Colorado backup Demetrius Sumler. Ringer's 390 carries merited a POE of -0.3, meaning an average college running back would have put up exactly what he did in 390 carries. While there is certainly skill (or at least good genes) involved in managing 30 carries per game without breaking down, it is unlikely that the skills Ringer possesses will in any way translate to pro success. (More about pro success in a bit.)

Who were some other backs ranking high in yards and low in POE?

• MiQuale Lewis (Ball State): 3rd in yards, 31st in POE. Lewis was named an All-American by CBSSports.com.
• Gartrell Johnson (Colorado State): 10th in yards, 65th in POE. Johnson was picked by the Chargers in the fourth round of the 2009 NFL Draft.
• Collin Mooney (Army): 16th in yards, 120th in POE
• Devin Moore (Wyoming): 19th in yards, 159th in POE

Jeremiah Johnson was an outstanding running back for Oregon last season, but assuming LaGarrette Blount's disciplinary problems are in the past (he was suspended in February for not fulfilling team obligations, whatever that means, and he was reinstated for spring football), Oregon's rushing attack might actually get better in 2009, especially considering their quarterback situation is much more stable this year with the late-season emergence of quarterback Jeremiah Masoli. Blount did more with fewer carries than anybody else in the country, and he should get more carries and opportunities to prove himself to a national audience this year. Combined with Cal's Jahvid Best, it appears that the best running backs are in the Pac-10 this year.

Four teams had two players in the Top 25. Three of those teams -- Oregon, Oklahoma State, and Georgia Tech -- were somewhat predictable. The fourth, Alabama, probably was not. Freshman receiver Julio Jones, an offensive line led by Andre Smith, and a stellar defense overshadowed the efforts of Tide backs Glen Coffee and Mark Ingram, who combined for 2,111 rushing yards, 22 touchdowns, and a combined POE of +44.7.

(It should be also noted that offensive line play -- in the form of Line Yards, Line EqPts, or Line Yards+ -- were not taken into account with these rushing totals. Solid line play from Alabama and other schools obviously positively impacted the numbers seen here. When Varsity Numbers ranks backfield units in August, line play will be subtracted somewhat from the equation.)

Who are some backs that could emerge onto the list (or, in some cases, higher onto the list) in 2009? While it is correct to note that high PPP+ levels may not be maintained with more carries, here are 2008's top 10 rushers according to PPP+:

 Top 10 Returning Backs according to 2008 PPP+ 2008PPP+ Rk Player School PPP+ Overall 2008POE Rk 1 Jeffrey Demps Florida 218.0 16 2 Greg Little North Carolina 198.2 39 3 LaGarrette Blount Oregon 187.5 3 4 Roy Upchurch Alabama 182.5 34 5 Roddy Jones Georgia Tech 176.1 23 7 A.J. Whitmore Tulsa 175.2 35 8 Jahvid Best California 165.9 1 9 Chris Rainey Florida 164.4 27 10 Jonathan Dwyer Georgia Tech 164.1 4 12 Brandon Minor Michigan 156.8 26

While Glen Coffee was solid and productive, Alabama may not miss a beat in the backfield, as Mark Ingram and Roy Upchurch should make for a strong duo. Meanwhile, Florida is ridiculously loaded -- they lose Percy Harvin, but will replace him, in part, with two of the country's most explosive runners in Jeffrey Demps and Chris Rainey (both of whom were freshmen in 2008). On top of those two, third-stringer and USC-transfer Emmanuel Moody ranked a solid 23rd in PPP+.

Meanwhile, Michigan's backfield should improve with the return of Brandon Minor and, sadly, the transfer of Sam McGuffie, who produced one of the nation's worst POE totals: -11.3.

Speaking of which, out of morbid curiosity, who were the worst major conference running backs according to POE?

 Lowest-Ranked Major Conference Running Backs, 2008 Rank* Player School POE 264 Kahlil Bell UCLA -18.5 262 Dwight Tardy Washington State -17.2 257 LaMark Brown Kansas State -14.3 256 Rodney Stewart Colorado -13.6 255 DeLeon Eskridge Minnesota -13.4 252 Dimitri Nance Arizona State -12.8 246 Sam McGuffie Michigan -11.3 244 Josh Haden Boston College -10.9 243 Ben Tate Auburn -10.8 241 Willie Griffin Washington -10.7 * Rank is according to their ranking among the 267 eligible (min: 50 carries) running backs.

Rodney Stewart produced a respectable 622 yards (4.7 per carry) in an injury-plagued freshman year in Boulder, but most of his yards came against shady defenses. He produced 107 yards (5.1 per carry) against a usually-decent Florida State defense, but FSU ranked just 64th in Rushing Defense S&P+ in 2008. He also produced 166 yards (5.9) against West Virginia (114th), and 141 (4.9) against Kansas State (88th), and was basically shut down by everybody else.

Using the same methods, who were the top-ranked runners at the quarterback and wide receiver positions?

 Top 10 Rushing Quarterbacks according to POE, 2008 Rank Player School Year EqPts Exp.EqPts PPP+ POE 1 Colin Kaepernick Nevada So. 95.2 46.9 207.4 +49.3 2 Julian Edelman Kent State Sr. 99.3 64.9 153.1 +34.4 3 Chase Clement Rice Sr. 67.6 40.8 165.6 +26.8 4 Jeremiah Masoli Oregon Jr. 58.4 32.3 180.9 +26.1 5 Robert Griffin Baylor Fr. 70.9 46.3 153.1 +24.6 6 Tim Tebow Florida Jr. 64.1 43.3 148.1 +20.8 7 Colt McCoy Texas Jr. 56.0 35.9 156.1 +20.1 8 Pat White West Virginia Sr. 67.7 47.8 141.6 +19.9 9 Michael Desormeaux UL-Lafayette Sr. 62.8 44.6 140.7 +18.2 10 Joe Webb UAB Jr. 72.2 54.5 132.3 +17.6

Colin Kaepernick was far and away the most effective rushing quarterback in 2008. Combined with a strong backfield mate in Vai Taua (17th among RBs in POE) and the best play-fake this writer has ever seen, Kaepernick has some dangerous weapons at his disposal in 2009. If Nevada can find a decent receiver to replace the steady Marko Mitchell, the Wolf Pack could be scary. Under the great and highly-accomplished Chris Ault, they have never beaten a BCS conference team that finished the season with a winning record, but they will get a couple chances in 2009. They start the season at Notre Dame on September 5 and host Missouri on September 25 -- and both of these teams (spoiler alert!) are projected by Football Outsiders Almanac to have a winning record in 2009.

 Top 5 Rushing Receivers according to POE, 2008 Rank Player School Year EqPts Exp.EqPts PPP+ POE 1 Percy Harvin Florida Jr. 48.7 19.3 252.6 +29.4 2 James Rodgers Oregon State So. 30.0 13.8 217.2 +16.2 3 Dexter McCluster Ole Miss Jr. 45.5 31.5 144.3 +14.0 4 Phillip Livas Louisiana Tech So. 20.3 10.3 197.0 +10.0 5 Kyle Halderman Air Force So. 20.9 11.0 190.8 +10.0

Missouri's Jeremy Maclin, now with the Philadelphia Eagles, produced a combined +15.8 POE in 2007 and 2008, but while Maclin was a more durable receiver, Percy Harvin (combined 2007 and 2008 POE: +57.5) was in a league of his own in terms of what he could produce at any given moment.

### Draftability?

So the next question to ask about POE is whether or not a strong POE is a harbringer for NFL success (or, on the flipside, is a weak one a harbringer of doom)? Data is limited in this regard -- right now, the VN database is still dealing with only two full years of data, 2007-08 -- but it might be a worthy diversion to take a look at 2007 POE levels compared to 2008 NFL production. Below is a list of the 20 running backs drafted in the 2008 NFL Draft (not counting Jacob Hester and Peyton Hillis, who were drafted as fullbacks).

 2007 POE Rankings for the 20 RBs drafted in the 2008 NFL Draft 2007 POERank Player School EqPts Exp.EqPts PPP+ POE 2008 DYAR/DVOA 1 Felix Jones (22nd Pick) Arkansas 82.9 45.4 182.7 +37.5 118 / 81.8% 2 Jamaal Charles (73rd) Texas 114.7 77.5 148.1 +37.3 63 / 15.3% 3 Kevin Smith (64th) Central Florida 182.9 148.2 123.4 +34.7 79 / -0.5% 4 Chris Johnson (24th) East Carolina 103.4 73.7 140.3 +29.7 175 / 9.2% 5 Rashard Mendenhall (23rd) Pittsburgh 106.1 80.1 132.4 +25.9 injured 8 Ray Rice (55th) Rutgers 138.9 116.2 119.6 +22.7 25 / -2.5% 9 Jonathan Stewart (13th) Oregon 102.6 79.9 128.4 +22.7 122 / 7.6% 14 Steve Slaton (89th) West Virginia 82.6 64.4 128.3 +18.2 166 / 5.8% 24 Mike Hart (202nd) Michigan 90.3 76.5 118.1 +13.8 36 Justin Forsett (233rd) California 96.4 85.1 113.2 +11.3 37 Matt Forte (44th) Tulane 140.3 129.0 108.7 +11.2 20 / -7.1% 39 Darren McFadden (4th) Arkansas 116.0 104.9 110.6 +11.2 -2 / -8.9% 42 Thomas Brown (172nd) Georgia 54.9 44.9 122.2 +10.0 45 Marcus Thomas (166th) UTEP 78.8 69.2 113.9 +9.6 52 Allen Patrick (240th) Oklahoma 61.0 51.9 117.6 +9.1 53 Jalen Parmele (176th) Toledo 103.5 94.4 109.7 +9.1 54 Tashard Choice (122nd) Georgia Tech 84.1 75.1 112.0 +9.0 157 / 32.0% 86 Chauncey Washington (213th) USC 63.4 59.1 107.4 +4.3 88 Ryan Torain (139th) Arizona State 36.7 32.9 111.6 +3.8 104 Cory Boyd (238th) South Carolina 53.2 51.1 104.1 +2.1

With such a small sampling of data, it would be foolish to reach any concrete conclusions here, but it is still worth noting that three of the top four rookies in terms of 2008 DVOA were among the top four seniors in terms of 2007 POE. Felix Jones had the best POE and was on his way to a stellar rookie season before injuring his hamstring, toe, etc.; meanwhile, Darren McFadden was ranked much lower in POE than in most regular statistics, and he finished with a disappointing rookie season. Clearly there is still a lot of work to be done in terms of analyzing POE and how it impacts pro performance, but... look out, Speed Score!

### Summary

Most Varsity Numbers measures, in one way or another, bounce output versus expected output. POE, a brother to PPP and cousin to S&P and S&P+, does just that. POE, which intends to both evaluate both per-play and cumulative success, could also be used to evaluate receivers and tight ends, but that will be hard without good "pass intended for _____" data (some college play-by-plays record detailed information in this regard, others do not). Right now, it is an RB-only figure, but it is a pretty good one.

Posted by: Bill Connelly on 14 Jul 2009

16 comments, Last at 16 Sep 2010, 6:16am by edwin.

1
##### Re: Varsity Numbers: Introducing POE
by c_f (not verified) :: Tue, 07/14/2009 - 4:35pm

As with any RB-evaluating metric, POE presumably includes the effect of the OL and respect commanded by a team's passing attack.

I would then hypothesize that Toby Gerhart must be awfully good, given that he has been playing on a Stanford squad that is presumably inferior to most of the Pac-10.

2
##### Re: Varsity Numbers: Introducing POE
by dryheat (not verified) :: Wed, 07/15/2009 - 8:30am

Did I imagine a pretty good running back from Ohio State named Wells last year? It seems odd he isn't mentioned anywhere in the running back section, even as a disappointment or a simple FYI. I'd be curious where he stacked up. Curtis Brinkley too, since he looked to put up some good numbers on a truly putrid offense.

5
##### Re: Varsity Numbers: Introducing POE
by Bill Connelly :: Wed, 07/15/2009 - 6:45pm

Sorry about that--his injury kept him from getting too much All-American mention (or ranking too highly on the yardage list...what did he have, 1,200 yards?). For the record, here's Beanie Wells' line:

2008 POE Rank: 53
EqPts: 69.4
Expected EqPts: 60.7
PPP+: 114.4
POE: +8.7

Not bad, but certainly not fantastic. He was better in 2007.

2007 POE Rank: 18
EqPts: 101.8
Expected EqPts: 85.1
PPP+: 119.6 (didn't change much!)
POE: +16.7

3
##### Re: Varsity Numbers: Introducing POE
by tuluse :: Wed, 07/15/2009 - 1:13pm

You introduce a stat named POE, and not a single Dr Strangelove reference?

6
##### Re: Varsity Numbers: Introducing POE
by Bill Connelly :: Wed, 07/15/2009 - 6:46pm

I was just happy I didn't go with a cheesy "Nevermore" Raven reference.

4
##### Jahvid Best
by Thephaze (not verified) :: Wed, 07/15/2009 - 2:47pm

Jahvid Best is going to go crazy this year.

7
##### jahvid best
by boing (not verified) :: Thu, 07/16/2009 - 3:43am

this article gives i guess scientific credence to what i knew from film - that jahvid best is one of the best if not the best in the country! look him up on youtube!

8
##### Re: Varsity Numbers: Introducing POE
by martin007 :: Thu, 07/16/2009 - 9:28am

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10
##### Re: Varsity Numbers: Introducing POE
by Kibbles :: Thu, 07/16/2009 - 10:38pm

The readers of allover the world? Is that where Raiderjoe is from?

11
##### Re: Varsity Numbers: Introducing POE
by Bill Connelly :: Fri, 07/17/2009 - 8:16pm

Great! I've been looking at getting my it certification.

9
##### Re: Varsity Numbers: Introducing POE
by TomahawkNation.com (not verified) :: Thu, 07/16/2009 - 4:48pm

We're having a big debate over who was better, Antone Smith or Jermaine Thomas. Any help?

Great stuff Bill. Simply pushing the bar always.

12
##### Re: Varsity Numbers: Introducing POE
by Bill Connelly :: Fri, 07/17/2009 - 8:20pm

Smith: 66.4 EqPts, 55.6 Expected EqPts, 119.3 PPP+, +10.8 POE, 45th in the country.

Thomas: 30.1 EqPts, 23.4 Expected EqPts, 129.0 PPP+, +6.8 POE, 72nd in the country.

So there's your answer. Smith was better. So was Thomas. Actually, I'd give the edge to Thomas with the better PPP+, but Smith had almost 3x more carries. Maybe Thomas's production would have gone down with a lot more carries, but he did have the edge.

13
##### Re: Varsity Numbers: Introducing POE
by TomahawkNation.com (not verified) :: Mon, 07/20/2009 - 1:20pm

Thanks Much, Bill!

14
##### Re: Varsity Numbers: Introducing POE
by PSU Guru (not verified) :: Mon, 07/20/2009 - 3:26pm

Harbinger (two r's are plenty).....

15
##### Re: Varsity Numbers: Introducing POE
by BSmack (not verified) :: Thu, 07/23/2009 - 3:46pm

Very interesting article... love the Outsiders stuff.

Any word on the USC stable of RB's? Considering how Coach Carroll uses them (curious at best) and how talented they are I would be interested to see how Johnson, Gable, and McKnight stacked up against one another.

16
##### Re: Varsity Numbers: Introducing POE
by edwin. (not verified) :: Thu, 09/16/2010 - 6:16am

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