FARGO, N.D. -- Marcus Williams returned an interception 98 yards for a touchdown Saturday to help North Dakota State blow open a close game and crush Youngstown State 48-7.
Williams stepped in front of a Kurt Hess pass at the NDSU 2 midway through the second quarter as the Penguins were driving for a possible tying score. That made it 21-7.
The defending Football Championship Subdivision champions tacked on two more touchdowns to go ahead 35-7 at halftime.
Ryan Smith and John Crockett each scored two touchdowns for the Bison (5-0, 2-0 Missouri Valley). Smith caught a TD pass from Brock Jensen and returned a punt 76 yards for a score, while Crockett ran for 103 yards.
Youngstown State (4-1, 1-1) was saddled with three turnovers, all in the first half.
The game was played before a record crowd of 19,065 at the Fargodome.
Despite battling the flu all week, Will Grier will start at quarterback for No. 25 Florida on Saturday when the Gators host No. 3 Ole Miss.
Florida State running back Dalvin Cook exited with a left leg injury in the first quarter of the Seminoles' 24-16 win over Wake Forest and did not return. He is day-to-day, Jimbo Fisher said.
Trevone Boykin threw five touchdown passes, including four to freshman KaVontae Turpin, and No. 4 TCU rode a 30-point first quarter to a 50-7 rout of Texas on Saturday.
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.
Tulane long-snapper Aaron Golub became the first legally blind person to play in a Division I football game Saturday, according to the school.
LJ Scott ran for 146 yards and two touchdowns, and No. 2 Michigan State held on through a lackluster second half to beat Purdue 24-21 on Saturday.