College football's national champion will be crowned on Monday, when the LSU Tigers meet the defending champion Clemson Tigers in the 2020 College Football Playoff National Championship. Kickoff is at 8 p.m. ET. LSU is a 4.5-point favorite, while the Over-Under for total points scored is 66.5. 

Before you make any Clemson vs. LSU picks or national championship predictions, you NEED to see what Barrett Sallee has to say.

Sallee is a true insider -- a CBS Sports analyst, SiriusXM host, Heisman voter and consistently one of the top CBS Sports experts picking games against the spread -- and his best bets have helped bring in some huge returns. He debuted with SportsLine in 2017 and has delivered in a big way, posting a winning record in his weekly best bets column since that point. He is on a blistering roll again, going on a 38-18 run on his best bets.

In addition, the college football guru has had a particularly keen eye for both of these teams. He is 7-1 on his last eight picks involving LSU, including its rout of Oklahoma in the Peach Bowl. And he is 6-0 on his last six picks involving Clemson, including its victory over Ohio State in the Fiesta Bowl. Anyone who has followed him is WAY UP.

Now, Sallee has locked in on the national championship game and LSU vs. Clemson. We can tell you he is leaning Under, but he also says a critical x-factor makes one side of the spread a must-back! You ABSOLUTELY need to see it before locking in any picks of your own.

So who wins LSU vs. Clemson? And what critical x-factor makes one side a MUST-BACK? ... Join SportsLine right now to find out which side of the LSU vs. Clemson spread you NEED to be all over, all from the college football insider who's an insane 13-1 on picks involving these teams!