One thing does not change, though. The defending NFC champion 49ers are 5-6 and they need to get on a heater - which will be tough to do Sunday night in Buffalo - if they stand any chance of defending their crown because right now they’re in last place in the NFC West and sitting outside the NFC wild-card picture.

A light dusting of snow began covering the Buffalo Bills' facility on Friday as the team completed its final practice of the week inside Highmark Stadium.

You can listen on SiriusXM satellite radio on channel 225 (Bills feed) and channel 226 (49ers feed), and on traditional radio, the Bills Radio Network has stations all across the state. Chris Brown has the play-by-play, Eric Wood is the analyst, and Sal Capaccio is the sideline reporter. The network includes:

The Buffalo Bills will look to lock up a playoff spot in their Week 13 showdown with the San Francisco 49ers. Here are five storylines to watch.

The Buffalo Bills came soaring into their bye week during NFL Week 13 riding a six-game winning streak to a 9-2 record. They are preparing to host the 5-6 San Francisco 49ers for Sunday Night Football,