The Green Bay Packers can clinch a playoff spot for the first time in three years on Sunday with a victory over the Chicago Bears and help later in the day from the Dallas Cowboys. Kickoff is set for 1 p.m. ET at Lambeau Field. Green Bay is a 4.5-point favorite in the latest Bears vs. Packers odds, while the over-under for total points scored is 40.5. Before you make any Bears vs. Packers picks of your own, make sure you read what SportsLine expert R.J. White has to say.

The stats guru, whose picks are coveted by fans everywhere, has hit it big in the world's most prestigious handicapping tournament -- the Westgate Las Vegas SuperContest -- twice in the past four years. And no one knows the Packers like White. In fact, he has hit 31 of his last 37 against-the-spread picks involving Green Bay! Anyone who has followed him is way up.

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

Who wins Bears vs. Packers? And which crucial X-factor makes one side of the spread hit HARD? ... Join SportsLine right now to see which side of the Bears vs. Packers spread to back on Sunday, all from the NFL handicapper who's 31-6 in his last 37 Packers picks!