The two teams occupying the wild card berths in the AFC playoff picture -- the Pittsburgh Steelers and Buffalo Bills -- collide in a pivotal Sunday Night Football matchup at Heinz Field in Pittsburgh. Kickoff is set for 8:20 p.m. ET. Pittsburgh is a one-point favorite, while the over-under for total points scored is 37. Before you make any Steelers vs. Bills picks or Sunday Night Football predictions, you NEED to hear what our resident NFL expert, R.J. White, has to say.

White has been SportsLine's top pro football analyst for almost three years. Since Jan. 1, 2017, the CBS Sports NFL editor and nationally recognized NFL Draft expert has returned $2,686 to $100 bettors with his against-the-spread picks.

The stats guru, whose picks are coveted by fans everywhere, has hit it big in the world's most prestigious handicapping tournament -- the Westgate Las Vegas SuperContest -- twice in the past four years. In addition, he has had a particularly keen eye for both the Bills and Steelers. He is 15-8 on his last 23 picks involving Buffalo and 33-20 on his last 53 picks involving Pittsburgh! Anyone who has followed him is WAY up.

We can tell you White is leaning Over on Sunday Night Football, but his much stronger play is on the spread. White has found a crucial x-factor that has him going BIG on one side. You ABSOLUTELY need to see it before locking in your own picks.

Who wins Steelers vs. Bills on Sunday Night Football? And what crucial x-factor makes one side a must-back? ... Join SportsLine right now to see which side of the Steelers vs. Bills spread you need to back on Sunday, all from the acclaimed expert who's 48-28 on picks involving these teams!