Redwes25 said:
Michael Fox said:
Redwes25 said:
Not going to quibble over this stuff but should point out that year was LT2's seventh full year and Portis is going on his 8th full year now and I think the number of carries scare me and must scare others or I wouldn't have gotten him in the 2nd round. Given his carries over his carrier he has some risk which I will off load since I think he will be huge the next 4 weeks.
Please provide a link to the statistical analysis that shows "workload" matters more than age. Portis just turned 28.
Ok will have that out by the end of the weekend.... To be honest I don't think something happens magicly happens at 29 or 30 to cause RBs numbers to drop off but rather the number of carries someone has had over time. Portis has over 2,000 carries and that comes with some risk and I think he could breakdown (not saying he will) so after a few good weeks I plan to trade him when I think his value will be high as he has cake schedule. Since you demand some support for this stuff here are links to a couple articles discussing impact of carries on RBs.
http://www.realfootball365.com/articles/fantasy/12003
http://www.footballdocs.com/running_back_carries.html
ETA - The only backs active backs with more carries with him are below and they are all the picture of health. So I think there is some link between total carries and productivity
Edgerrin James 2,993 1999-2009
LaDainian Tomlinson 2,670 2001-2009
Fred Taylor 2,437 1998-2009
Jamal Lewis 2,410 2000-2009
Fred Taylor seems to go against this hypothesis. Between 1998-2005 in his "Fragile Freddy" days, he averaged 13 games, 262 attempts, and 4.6ypc. Since then, he's been a much better picture of health and more productive, averaging 15 games/season, 223 att, and 5.0 ypc.And the guys below Portis in terms of workload over the last few years include...
8. Ahman Green (31) 2,015 1998-2008
9. Thomas Jones (30) 1,969 2000-2009
10. Ricky Williams (31) 1,930 1999-2009
11. Rudi Johnson (29) 1,517 2001-2008
12. Deuce McAllister (30) 1,429 2001-2008
13. Michael Pittman (33) 1,392 1998-2008
They are all a picture of health, too, huh?
Let's not stop there. How about the next tier of RBs with even less of a workload:
14. Willis McGahee (27) 1,342 2004-2009
15. Brian Westbrook (29) 1,260 2002-2009
16. Larry Johnson (29) 1,254 2003-2009
17. Steven Jackson (25) 1,240 2004-2009
18. Willie Parker (28) 1,168 2004-2009
19. Julius Jones (27) 1,062 2004-2009
A real durable group here, as well.
Point is, running backs take a beating. Unless you're a freak like Emmitt Smith, most RBs are going to have their issues staying on the field (and even Emmitt had his spot games playing much less than 100%).
Downgrade Portis in statistical production this year because the offense is a joke, and he has been reduced to a 2-down back by his idiot coach. But, don't downgrade him because he's had a lot of carries.