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Courtesy of its 35-21 victory over Air Force on Saturday, Michigan State moved up in both major polls.
The Spartans moved from fourth to second in the Associated Press Poll, only behind Ohio State, as they received seven first-place votes to garner 1,415 points in the poll to sit 70 points ahead of both Mississippi and TCU.
In light of Ohio State's 20-13 victory over Northern Illinois in a game in which it was favored by 35 points, Michigan State is 75 points behind Ohio State in the AP Poll.
Ohio State and Michigan State's placement atop the AP Poll marks the first time the Big Ten has had the top two teams in the poll since Ohio State and Michigan were No. 1 and No. 2, respectively, heading into its 2006 regular-season meeting.
Mississippi's upset of Alabama saw it move up from No. 15 to No. 3 while taking 11 first-place votes while the Big Ten saw both Northwestern and Wisconsin move up.
The Wildcats jumped six spots from No. 23 to No. 17 after going on the road and beating Duke and the Badgers moved up two spots to No. 22 after beating Troy at home.
Michigan State's No. 2 ranking in the AP Poll is the program's highest since finishing the 1966 season at No. 2.
In the AMWAY Coaches' Poll, Michigan State sits at No. 3 behind Ohio State and TCU - with the Horned Frogs' hold on the No. 2 spot only being five points (1482 to 1477).
Baylor and Mississippi round out the top five in the coaches' poll, which saw the Buckeyes receive 61 first-place votes and the Spartans getting the other three after moving from No. 4 to No. 3.
Northwestern (No. 19) and Wisconsin (No. 21) are the other Big Ten teams ranked in the coaches' poll.
At No. 3, the Spartans' rank in the coaches' poll is their highest since after beating Stanford in the 2014 Rose Bowl.
The AP Poll can be seen here while the AMWAY Coaches' Poll can be seen here.