BROOKINGS, S.D. -- Zach Zenner got South Dakota State off and running with an 88-yard touchdown run in the first quarter, and the Lumberjacks went on to post a 17-7 victory over Missouri State on Saturday night.
Zenner finished with 182 yards on 30 carries.
South Dakota State (4-1, 2-0 Missouri Valley) held a three-point lead until the fourth quarter, when Austin Sumner threw an 8-yard scoring pass to Brandon Hubert to make it 17-7. Sumner completed 17 of 27 passes for 192 yards and was intercepted three times.
Ryan Heaston rushed for 150 yards for Missouri State (0-5, 0-2).
Ohio State remained No. 1 in the AP Top 25 and tied a poll record Sunday despite lagging support from voters. Meanwhile, No. 2 TCU and No. 3 Baylor edged forward and No. 4 Michigan State slipped.
Texas cornerback Kris Boyd has apologized for retweeting a Texas A&M fan during halftime of Texas' 50-7 loss to TCU on Saturday.
The Big 12 on Sunday acknowledged an officiating mistake that incorrectly awarded Oklahoma State a first down Saturday and said the officials involved would be disciplined.
Georgia coach Mark Richt says he's sticking with Greyson Lambert, who was just 10-for-24 for 86 yards in a loss to Alabama, as the Bulldogs starting quarterback.
Will Grier threw four touchdown passes to four receivers -- all in the first half -- and No. 25 Florida downed third-ranked Mississippi 38-10 on Saturday night.
Leonard Fournette highlighted his SEC-record third straight 200-yard game with a 75-yard touchdown run, and No. 9 LSU overcame Eastern Michigan 44-22 on Saturday night.