It's a rematch of the NFC title game when the Green Bay Packers (5-2) visit the San Francisco 49ers (4-4) on Thursday Night Football. Kickoff is set for 8:20 p.m. ET at Levi's Stadium. Green Bay is a 6.5-point favorite in the latest Packers vs. 49ers odds from William Hill, while the Over-Under is 48.5.

Before you make any Packers vs. 49ers picks, you NEED to check out what SportsLine's resident Packers expert R.J White has to say.

CBS Sports' NFL editor, White enters Week 9 as SportsLine's hottest expert. He's on a sizzling 27-14 run against the spread that's returned his followers $1,145. And it's no surprise, as White twice has cashed huge in the world's most prestigious football handicapping competition, the Las Vegas SuperContest.

In addition, White has a particularly keen eye for the Packers. He is an astounding 39-8 in his last 47 spread picks for or against the Packers. Anyone who has followed his NFL picks is WAY UP. 

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

Who wins Packers vs. 49ers on Thursday Night Football? And what crucial X-factor makes one side of the spread a MUST-BACK? ... Join SportsLine right now to see which side of the Packers vs. 49ers spread you need to back on Thursday night, all from the acclaimed expert who's 39-8 on his last 47 Packers spread picks!