CARBONDALE, Ill. -- Austin Sumner tossed a 5-yard touchdown pass to Trevor Tiefenthaler with seven seconds left in the game as South Dakota State rallied to defeat Southern Illinois 16-12 on Saturday.
South Dakota State (6-2, 5-1 Missouri Valley) also got field goals of 28, 41 and 33 yards from Justin Syrovatka.
Sumner was sacked six times, but still managed to complete 26 of 25 passes for 284 yards.
Kory Faulkner completed 20 of 30 passes for 122 yards for Southern Illinois (5-5, 4-3) and was sacked three times.
Bo Helm recovered a fumble for South Dakota State.
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.
An officiating error led to an Oklahoma State touchdown Saturday in the Cowboys' 36-34 win over Kansas State.
Texas A&M receiver Ricky Seals-Jones, who was ejected for targeting midway in the second quarter of Saturday's game, took to Twitter late in the game, retweeting a tweet that questioned the call.
Florida State running back Dalvin Cook exited in the first quarter of the Seminoles' 24-16 win over Wake Forest with a left hamstring injury. He is day-to-day.
As if things weren't going bad enough at Texas, the Longhorns appear to have players on Twitter during lopsided losses and jabs at their coach accidentally being sent from other nearby teams.