Bills vs. Raiders, 2014 NFL Week 16: C.J. Spiller's availability up in the air

C.J. Spiller is eligible to return to the field of play for the Buffalo Bills this Sunday in Oakland, but only two months removed from surgery to repair a broken clavicle, the team is taking a measured approach regarding his availability in Week 16.

The Bills opened up a spot on the 53-man roster for Spiller with Tuesday's release of Frank Summers, but Spiller has not yet been added to the active roster. If he's going to play in Oakland, the team will need to fully reinstate him by 4:00 p.m. ET on Saturday, which gives them a full week's worth of practices to evaluate his practice performance and make an informed decision.

Spiller did practice on Wednesday, two days after being cleared by doctors to do exactly that, but was only a limited participant. Both he and head coach Doug Marrone were coy in discussing whether or not he'd play on Sunday, with Marrone saying that Spiller is still working his way back into football shape, and Spiller telling reporters that "how I feel" will determine whether or not he suits up on the left coast.

His is a story worth following for the remainder of the week. In the meantime, the only other significant practice-related issue to keep an eye on is tight end Scott Chandler, who missed Wednesday's practice due to illness.