The Wisconsin Badgers host the Michigan State Spartans in an important Big Ten battle on Saturday. Kickoff from Camp Randall Stadium is set for 3:30 p.m. ET. The Badgers are 9.5-point favorites and the over-under for total points scored is 40.5 in the latest Michigan State vs. Wisconsin odds. 

Before locking in any Michigan State vs. Wisconsin picks of your own, you NEED to see what Mike Tierney has to say. The veteran sportswriter, whose work has appeared in The New York Times and Los Angeles Times, has covered college football of all levels for decades. He has emerged as one of SportsLine's leading analysts in all sports.

What's more, he has had a particularly keen sense for the tendencies of these Big Ten programs. Over the past two seasons, Tierney has posted an incredible record of 16-2 on picks involving the Spartans or Badgers! Anyone who has followed him is up HUGE.

Now, he's studied Michigan State vs. Wisconsin from every possible angle. We can tell you he's leaning toward the Under and he's also found a critical X-factor that has him jumping all over one side of this spread. You ABSOLUTELY need to see it before you lock in your own picks.

So who wins Michigan State vs. Wisconsin? And what critical X-factor determines the spread outcome? ... Join SportsLine right now to see which side of the Michigan State vs. Wisconsin spread you should be all over Saturday, all from the proven college football expert who's hitting a whopping 89 percent of his picks on these teams!