Two of college football's storied programs collide on Saturday for the first time in almost six decades when the No. 7 Michigan Wolverines host the Army Black Knights. Kickoff is 12 p.m. ET. The Wolverines are 22.5-point favorites in the latest Michigan vs. Army odds, while the Over-Under is 48.

Before locking in any Michigan vs. Army picks of your own, you need to see whom Mike Tierney is picking. 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. And that expertise has been evident since he joined SportsLine in 2017. Over the last two seasons, he has gone 96-79 on against-the-spread picks in college football. Last season was his best at 59-46.

In addition, he has cashed six straight against the spread picks involving the Wolverines. Anyone who has followed him is up HUGE.

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

So who wins Michigan vs. Army? And what critical X-factor determines the outcome? ... Join SportsLine right now to see which side of the Michigan vs. Army spread you should be all over on Saturday, all from the proven college football expert who's on a 6-0 run on Wolverines picks!