Making our final Week 4 college football picks with help from ESPN's College GameDay, including Lee Corso's headgear pick.

Cornell (0-0) at Colgate (0-3), 1 p.m. Maine (1-2) at Merrimack (1-2), 1 p.m. Utah St. (1-2) at Temple (0-3), 2 p.m. Yale (0-0) at Holy Cross (1-2), 2 p.m.

No.12 USC keeps a strong season going into Ann Arbor to take on defending champion No. 17 Michigan. Follow all the action ...

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Welcoming Blake Shelton to 'College GameDay', the country singer decided to offer his picks for key football matchups.