Buffalo's Marrone taking the reins off Bills RB tandem of Spiller and Jackson

The reins are coming off the Buffalo Bills running attack.

Rookie coach Doug Marrone has no intention of placing limitations on how many carries C.J. Spiller or Fred Jackson get this season.

"Absolutely not," Marrone declared this week.

That's a distinct departure from the approach of Chan Gailey, Marrone's predecessor. Gailey spent parts of last season being second-guessed for under-utilizing Spiller in fear of wearing down the team's most dynamic threat.

Marrone has several reasons to be counting on his running attack this season.

The Bills are young at receiver and unsettled at quarterback, with rookie first-round draft pick EJ Manuel being groomed for the starting job.

That puts more emphasis on Spiller and Jackson, who helped Buffalo finish sixth in the NFL in yards rushing last year.