While I'm not EBF, I figure he'll say something like this:
Minimum 250 carries
Minimum 4.5 ypc
Minimum 30 receptions
Minimum 9.0 ypr
Let's go through the data dominator and see what that spits out the past five years:
Only Tiki Barber, Fred Taylor and Edgerrin James hit those marks last year. No one did in 2003. Clinton Portis, Priest Holmes and Michael Bennett did in 2002. Marshall Faulk, Holmes and Ahman Green did in 2001. Faulk and Robert Smith in 2000.
Perhaps we should eliminate the receiving numbers. Let's go with:
Minimum 250 carries
Minimum 4.5 ypc
Minimum 8 total TDs
That gives us 26 individual seasons over the past five years. Last year saw: Alexander, Dillon, Barber, James, Martin and Droughns hit those marks.
I'm sure EBF would also say the offensive scheme/surrounding talent plays a part, as Droughns is not considered an elite back by most. Scanning through that list though does provide a who's who of the top talents in the NFL. Over the past five years, the only guys that have hit those marks and don't scream "stud" are Droughns, Mike Anderson and maybe Robert Smith or Stephen Davis. The other guys are the bonafide studs in the NFL.
Outside of the six that did it last year, these guys did it at least once in the previous four: Portis, Lewis, Green, Tomlinson, McAllister, Davis, Holmes, Ricky Williams, Taylor, Faulk, Robert Smith, Mike Anderson. That coincides pretty well with EBF's original list too. My query generated 18 names, he listed 12:
Shaun Alexander
Corey Dillon
Ahman Green
Priest Holmes
Edgerrin James
Kevin Jones
Curtis Martin
Deuce McAllister
Jamal Lewis
Clinton Portis
Fred Taylor
LaDainian Tomlinson
My additions to his 12 being Droughns and Mike Anderson (addressed), Ricky Williams and Robert Smith (retired), and Stephen Davis and Marshall Faulk (has beens). He doesn't include Tiki barber because he's

, and Kevin Jones missed out by two TDs last year. I believe we both came up with a simialr 11, unless I can't read straight.