In a potential playoff preview, the undefeated Los Angeles Rams visit the New Orleans Saints on Sunday at 4:25 p.m. ET. The Saints have won six straight following a season-opening loss to Tampa Bay, while the Rams are the only unbeaten team in the NFL after they squeezed past Green Bay last week.

The Rams are two-point favorites and the over-under for total points scored is 57.5.

Before you lock in any picks, you need to see what R.J. White has to say. He was SportsLine's most profitable NFL analyst last season and returned $100 bettors a profit of nearly $2,000.

The renowned prognosticator has cashed big in two of the last three prestigious Las Vegas SuperContests and has now turned his eye toward Sunday's game. White has a strong history of success in handicapping these teams, which includes an outstanding 19-7 mark on his picks involving the Rams or Saints. Anyone who has followed him is way up.

For Rams vs. Saints, we can tell you he's leaning toward the Over, but his much stronger play is on the side. White has scrutinized Rams vs. Saints from every angle, crunched the stats, and found a crucial X-factor that causes one side of the spread to hit hard. You absolutely need to see it before locking in your own picks.

Who covers in Rams vs. Saints? And what crucial X-factor makes one side of the spread a must-back?… Join SportsLine right now to see which side you need to jump on Sunday, all from the top NFL analyst who's hitting an astounding 73 percent of his picks involving these teams!