The Buffalo Bills (13-3) will continue their quest for the first Super Bowl title when they host the Baltimore Ravens (12-5) on Saturday in an AFC Divisional Round matchup. Kickoff from Bills Stadium is set for 8:15 p.m. ET. Buffalo is a 2.5-point favorite in the latest odds from William Hill Sportsbook, while the Over-Under for total points scored is 49.5. (Check out the latest lines for every Divisional Round game on our NFL odds page.)

Before locking in any Bills vs. Ravens picks or NFL predictions, you NEED to see what SportsLine's all-time No. 1 NFL expert, Mike Tierney, has to say. 

A national sportswriter whose work appears in The New York Times and Los Angeles Times, Tierney has covered the NFL for decades and reported from seven Super Bowls. He prefers to evaluate each game from the underdog's point of view and has used that philosophy to dominate the NFL, going 66-44 against the spread in 2019 and 63-46 in 2018.

Tierney entered the 2020 season with a 282-222 record at SportsLine (2016-19) on all NFL picks, returning $3,704 to $100 players. He has just finished another solid regular season and entered the playoffs on a 23-15 run on his NFL selections. 

In addition, Tierney has gone an incredible 19-8 on his last 27 against-the-spread picks involving the Ravens! Anyone who has followed him is WAY UP.

Now, he's studied Bills vs. Ravens from every possible angle. We can tell you he's leaning Under the total, and he's also found a critical X-factor that makes one side of the spread hit HARD! You ABSOLUTELY need to see it before you lock in your own picks.

So who wins Bills vs. Ravens in the AFC Divisional Round? And what critical X-factor makes one side of the spread a MUST-BACK? ... Join SportsLine right now to see which side of the Bills vs. Ravens spread you should be all over, all from the expert who's 19-8 on picks involving Balitmore!