One of the best rivalry games in college football takes place on Saturday when the No. 6 Oklahoma Sooners and the No. 11 Texas Longhorns clash in the 2019 Red River Showdown. Kickoff is set for noon ET. Oklahoma is a 10.5-point favorite, while the Over-Under for total points scored is 75. 

Before you make any Oklahoma vs. Texas picks, you NEED to see what Tom Fornelli has to say.

The CBS national writer entered this season with a wallet-fattening 216-179 record in his popular "Six Pack" college football column the past four years. He also has demonstrated his expertise in every sport for SportsLine members. Fornelli has demonstrated a particularly sharp eye for the tendencies of the Sooners and has now hit seven straight against the spread picks involving Oklahoma! Anybody who has been following him is WAY UP.

Now, Fornelli has locked in on Oklahoma vs. Texas. 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 Oklahoma vs. Texas in the Red River Showdown 2019? And what critical x-factor makes one side a must-back? ... Join SportsLine right now to find out which side of the Oklahoma vs. Texas spread you should be all over Saturday, all from the accomplished expert who is 7-0 on Oklahoma picks!