The Green Bay Packers host the Minnesota Vikings in Week 16 on Saturday night. The visiting Vikings are nine-point favorites, unchanged from the open. The Over-Under, or total number of points oddsmakers think will be scored, is 40.5, down 1.5 points from where it opened.

The game was off the board in many Vegas casinos until the fate of Packers QB Aaron Rodgers (collarbone) was cleared up. We now know Rodgers was placed on season-ending IR and Brett Hundley will start in his place. WR Davante Adams (concussion) is also out for Green Bay.

Before you lock in your Packers-Vikings picks, you need to see what SportsLine stat geek R.J. White has to say.

In Week 15, with the Packers visiting the Panthers as three-point underdogs, he told readers to lay the points with Carolina. The result: Panthers 31, Packers 24, another easy cash.

Remarkably, it helped White improve to 16-2 on picks for or against the Packers. He has his finger on the pulse of Mike McCarthy's team and anyone who has followed his advice is up huge.

Part of his success: White has years of experience analyzing NFL statistics and trends, dating all the way back to Super Bowl XXV. He finished in the top two percent in the nation's most prestigious handicapping contest and understands when NFL spreads are wrong. He's SportsLine's top NFL expert this season. 

Now, he's going for 17-2 on Packers picks, and he's only sharing his strong play over at SportsLine.

White knows the Packers have officially been eliminated from playoff contention and subsequently placed Rodgers on IR. Hundley is back at the helm and will face a stingy Vikings defense. However, Hundley has thrown six touchdown passes and only one interception in his past three starts against the NFC North.

In Hundley's eight career starts, he has over 1,500 yards passing, eight touchdowns and eight interceptions.

Meanwhile, the Vikings have wrapped up the NFC North title and enter this heated rivalry game with an 11-3 record. Minnesota's defense, which ranks second in the league, is only allowing opponents to score an average of 17.29 points per game.

Now they're facing a Packers team that was only able to muster 10 points in their first meeting this season. 

SportsLine's advanced projection model says Vikings QB Case Keenum will throw for almost 300 yards and two touchdowns against the Packers' 24th-ranked pass defense.

But just because the Vikings have recently had success against the Packers doesn't mean they'll cover a nine-point spread, especially at Lambeau Field. 

The Vikings are just 2-6 against the spread in their last eight games on the road against Green Bay, while the Packers are 8-3 straight-up in their last 11 games at home. 

The Packers have won two of their last three overall, both with Hundley under center. They put away the Buccaneers 26-20 in overtime and followed that up with a win over the Browns, 27-21, also in overtime.

SportsLine's advanced projection model says that despite the tough matchup, Hundley will throw for almost 200 yards and a score against the Vikings.

White knows there's a critical x-factor no one is thinking about that ultimately determines the point-spread winner for Packers-Vikings.

So which side should you back in Packers-Vikings on Saturday? Visit SportsLine now to see what critical x-factor determines which side of Packers-Vikings you need to be all over, all from the expert who has gone 16-2 on Packers picks, and find out.