BROOKINGS, S.D. -- Austin Sumner threw three touchdown passes and South Dakota State totaled more than 500 yards of offense in a 55-14 win against Butler on Saturday night in the season opener for both teams.
Jackrabbits offensive stars Sumner and Zach Zenner each had a big game. Sumner, who completed 32 passes for 332 yards, has a good chance to become South Dakota State's all-time leading passer this season. Zenner, who carried the ball 16 times for 177 yards and two TDs, returns after leading the nation in rushing last season.
Sumner's first touchdown pass broke a 7-7 tie and the Jackrabbits rattled off 34 unanswered points to put the game out of reach.
The Jackrabbits amassed 546 yards of total offense compared with Butler's 272.
Butler's Matt Lancaster passed for 140 yards and threw three interceptions. He was also the Bulldogs' leading rusher, with 6 carries for 63 yards.
South Carolina coach Steve Spurrier told his players and coaches Monday night that he is retiring immediately, sources told ESPN.com.
Steve Sarkisian has been plagued of late by apparent substance-related circumstances, including arriving to team facilities appearing intoxicated Sunday, according to sources.
Florida Gators quarterback Will Grier has been suspended for the year after testing positive for a performance-enhancing substance found in a supplement, coach Jim McElwain announced Monday.
Former USC coach Pete Carroll said Monday that he's saddened by Steve Sarkisian's situation and he has reached out to his former assistant.
Ole Miss offensive tackle Laremy Tunsil will be eligible to return to action for the Rebels following Saturday's game against Memphis, sources told ESPN.com on Monday.
After a decades-long ban, Nevada Gaming Control granted approval for the state's regulated sportsbooks to offer wagering on the Heisman Trophy, with LSU's Leonard Fournette the early favorite.