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Ranking the running backs, team by team
Tim Gerheim / FootballOutsiders.com
Posted: 11 hours ago
At some positions, depth is exclusively a matter of injury. The starter is the starter, and if all goes well, he's always the starter. Peyton Manning doesn't come off the field in certain formations. The Chiefs don't spell Willie Roaf on some plays or take him out for a series to keep him fresh. Evaluating those positions is about ranking the starters first and foremost, then making small adjustments based on the quality of the backups and the likelihood that they will play.
The same is not true for running backs. Herm Edwards wants the Chiefs to run the ball more than 500 times this year, and no team had fewer than 360 rushing attempts in 2005. 350 carries is heavy use for a single back. That leaves a lot of work for the rest of the depth chart. Add in the increasing number of teams that use a running back committee rather than a clear first-string starter, and it's clear that when ranking the NFL's 32 teams on their running backs, you have to consider more than just 32 players.
These rankings started with the productivity of each team's halfbacks in 2005 and then were adjusted subjectively for things like age (the cruel reality of the NFL, especially for running backs), the quality of fullbacks, and the likelihood of improvement or decline. Teams like the Giants, Falcons and Cardinals (including Edgerrin James) would top the charts based on last year, but they all rely heavily on aging backs likely to pull either a Curtis Martin — an injury-plagued season after a career year at age 31 — or a Marshall Faulk — a slow decline after a consistently productive career. The teams that top the rankings below have great starting backs who are relatively young and durable, with good players available behind them — and ideally great fullbacks in front of them.
You'll see a lot of stats you recognize here, and a couple you may not: DPAR, or Defense-adjusted Points Above Replacement, and DVOA, Defense-adjusted Value Over Average. Both stats take every single play during the season and compares it to the league average based on situation and opponent, rewarding players for strong performance on third down and in the red zone and giving them less credit for meaningless gains like a nine-yard catch on third-and-12. The difference: More DPAR means a running back with more total value, while a higher DVOA means a running back with more value per play. This page lists these advanced stats for all running backs in 2005, both rushing and receiving.
1. Seattle
The Seahawks' ground game starts with MVP Shaun Alexander. Alexander is still on the right side of 30 and hasn't had an inordinate number of carries in his career, so although he had a dangerous amount of work in 2005, he still has a good chance to stay healthy in 2006. If he does get injured, backup Maurice Morris has a solid track record with a 4.7 yards-per-carry average in four seasons. In last year's playoffs, the Seahawks' offense had no problem against Washington — the second-best defense in the league according to DVOA — even though Morris played the lion's share of the game after Alexander suffered a concussion. And if you're enough of an NFL follower to be reading this article, you probably already know Mack Strong's name — and considering how anonymous most NFL fullbacks are, that says a lot.
2. San Diego
The Chargers just missed the top spot because LaDainian Tomlinson has not been as good the last two years as Shaun Alexander. Woe are the Chargers, no doubt. Their starter is easily one of the top five backs in the league, he is only 27, and he has only missed one game in his career. In limited action, top backup Michael Turner has looked good enough to start for several teams. He and fullback Lorenzo Neal sported the two best rushing DVOAs in the league last year. Neal is also one of the best blocking fullbacks in football.
3. Washington
The Redskins may be a surprising choice at third, but they belong in the conversation with their neighbors in this list. Only five running backs posted more DPAR last year than Clinton Portis, and he is younger than any of them. After his rocky first year in Washington, Portis appears comfortable in Joe Gibbs' one-back offense. Last year, according to the Football Outsiders game charting project, only the Colts and Patriots ran behind a fullback less often than the Redskins. Ladell Betts and Rock Cartwright work well as change-of-pace backs — Cartwright in particular deserves more playing time — although neither has the all-around talent to really take over for Portis should he suffer a major injury.
4. Cincinnati
Rudi Johnson is for real. Trading Corey Dillon to make room for Johnson now looks like the smartest thing the Bengals have done since drafting Carson Palmer. Or maybe since they hired Marvin Lewis. These Bengals have been on a roll lately. Johnson is young and doesn't have very many carries under his belt, so he's one of the safest bets among the top backs to stay healthy. Johnson has a strong backup in Chris Perry, a one-time first-round pick who also is one of the more misunderstood players in the NFL. By reputation, Perry is a great outlet receiver but nothing special as a runner. Our numbers say Perry did well when he carried the ball, but his -5.4 DPAR was the second-worst receiving total for a running back in 2005. Sure, he had 52 catches, but many of them were meaningless: only 7 of his 17 catches on third or fourth down actually converted for a new set of downs, and Perry actually lost yardage on four of his receptions. Jeremi Johnson is (characteristically) underrated at fullback; the Bengals run behind a fullback more than any other team in the league, 93 percent of the time.
5. Kansas City
Running back depth charts, it turns out, shake out into two general groups. Some teams have multiple backs, including fullbacks, who are very good at what they do. Sure, the backup isn't as good as the starter (except in Baltimore, more on that in a bit), but compared to his fellow backups he's a valuable, quality player.
Other teams have running back depth charts that look like quarterback depth charts: the starter is so much better than the backups that it would be a disaster if he were injured. The Kansas City Chiefs are kings of the second group. Larry Johnson had the best running back season in the league last year — yes, according to DPAR, he was more valuable than Shaun Alexander — and he only started nine games. He's young. He doesn't even have two seasons' worth of carries for his career. If this were a simple ranking of running backs, he would be at the top.
But this is a depth chart ranking. Priest Holmes has one foot in the grave, NFL-ogically speaking, and the team's other backups are Dee Brown, Quentin Griffin, and some undrafted rookies. On top of that, standout fullback Tony Richardson left for Minnesota, leaving no one on the roster who has ever started at fullback. Although the Chiefs only run behind fullback 60 percent of the time, the lack of experience at the position is still worrisome. The Chiefs squeak into the top five because they have the best running back in football, and nothing else; if Larry Johnson stays healthy and effective, nobody will notice the lack of depth behind him.
6. Baltimore
Jamal Lewis: great Ravens running back, or the greatest Ravens running back? A year ago, Lewis was 13.1 points below replacement level. So the Ravens replaced his backup, Chester Taylor, who was more effective. They brought in Mike Anderson, who was much more effective last year. (Some of this was the difference between the Denver and Baltimore offensive lines, of course.) Lewis had a lot of reasons for performing poorly last year — chiefly injury and incarceration. This year he's in danger of losing his starting job. A depth chart of Mike Anderson backed up by Jamal Lewis, led by fullback Alan Ricard, looks formidable indeed. If Lewis makes an unlikely return to near his 2003 form, Baltimore will have the best running back group in the league.
7. Chicago
They lack the top-end talent of the teams ranked above them, but the Bears have the deepest running back pool in the league. On the right teams, Thomas Jones, Adrian Peterson, and Cedric Benson could all start. Jones was the most effective last year, ranking 11th in DPAR, but Peterson was the most efficient: he led all backs with at least 75 carries in rushing DVOA. Benson held out and got injured, so he really didn't contribute anything last year, but if your third running back was the fourth overall pick in the draft only one year ago, you have some strength at the running back position.
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