Buffalo Bills
Oct 20
Fred Jackson
Status: Out
Position: Running Back

Jackson (groin) will not require surgery, but said that his injury is typically one that requires a four-week absence, ESPN Buffalo's Mike Rodak reports.
Oct 19
Fred Jackson
Status: Out
Position: Running Back

Jackson (groin) will not return any sooner than Week 10 against the Chiefs, according to Jason La Canfora of CBS Sports reports.
Bryce Brown
Status: Day To Day
Position: Running Back

With C.J. Spiller out for an "indefinite" amount of time, and Fred Jackson dealing with a groin injury, opportunity knocks for Brown, starting next Sunday against the Jets.
C.J. Spiller
Status: Out
Position: Running Back

After being diagnosed with a broken collarbone, Spiller is slated to undergo surgery Monday, according to ESPN.com.
Aaron Williams
Status: Questionable
Position: Free Safety

Williams left Sunday's game against Minnesota with a back injury, ESPN's Mike Rodak reports. His return is questionable.
C.J. Spiller
Status: Questionable
Position: Running Back

According to CBS's Jason LaCanfora, the initial diagnosis of the injury that Spiller suffered Sunday is a broken collarbone.
Fred Jackson
Status: Out
Position: Running Back

Jackson's groin injury appears serious, but the Bills will have a better understanding of the severity of the injury after the running back undergoes an MRI on Monday, NFL.com's Ian Rapoport reports.
C.J. Spiller
Status: Questionable
Position: Running Back

Spiller suffered an apparent left shoulder injury in the second quarter of Sunday's game against Minnesota, ESPN's Mike Rodak reports.
Fred Jackson
Status: Out
Position: Running Back

Jackson suffered a groin injury in Sunday's game against Minnesota and will not return, ESPN's Mike Rodak reports.
Da'Norris Searcy
Status: Probable
Position: Strong Safety

Searcy (knee) is listed as active for Sunday's game against the Vikings.  
Aaron Williams
Status: Probable
Position: Free Safety

Williams (wrist/neck) is listed as active for Sunday's game against the Vikings.  
Brandon Spikes
Status: Probable
Position: Linebacker

Spikes (ribs) is listed as active for Sunday's game against the Vikings.  
Kyle Williams
Status: Probable
Position: Defensive Tackle

Williams (knee) is listed as active for Sunday's game against the Vikings.