FB Fiammetta (hamstring) questionable

LAKE FOREST, Ill. -- Chicago Bears fullback Tony Fiammetta (hamstring) was limited in practice on Friday and listed as questionable for the regular-season opener versus the Buffalo Bills, the team announced.

A five-year NFL veteran, Fiammetta appeared in 16 games (seven starts) for the Bears last season, catching four balls out of the backfield for 57 yards. The 6-foot, 250 pound fullback helped block for Pro Bowl tailback Matt Forte, who rushed for a career-high 1,339 yards in 2013.

Safety Chris Conte (concussion) and offensive lineman Brian de la Puente (knee) are probable to face the Bills, after both practiced without restrictions on Friday.

Conte is expected to play significant snaps at safety in Week 1, despite sitting out the entire offseason program and the bulk of training camp.

No. 3 quarterback David Fales remains out with a shoulder injury he sustained in the preseason finale in Cleveland.