The Buckeyes received 40 first-place votes after a lackluster victory against Northern Illinois on Saturday. Michigan State got seven first-place votes.
The last time the Big Ten held the top two spots in the AP poll was November 2006, when Ohio State and Michigan went into their annual rivalry game Nos. 1 and 2, respectively.
No. 3 Mississippi made a big jump from No. 15 after winning at Alabama. The Tide dropped from No. 2 to No. 12. The Rebels received 11 first-place votes.
TCU is tied for third with Ole Miss, and Baylor is No. 5.
Notre Dame is sixth, followed by LSU, Georgia, UCLA and Florida State. The Tigers received one first-place vote.
Big Ten No. 1 and No. 2, Rebels tied for third
Michigan State has narrowed the gap on the their Big Ten rival Ohio State, and Ole Miss has moved into a tie for third. Adam Rittenberg reacts to the week 4 AP Poll.