VERMILLION, S.D. (Interstat) — South Dakota defeated Southern Illinois 31-10 on Saturday in an NCAA Football Championship Division game at the DakotaDome. The Coyotes improved to 5-2, while the Salukis fell to 3-4. Attendance was 7,012. DJ Williams completed 18 of 29 passes for 179 yards and a touchdown for Southern Illinois. Matthew McClelland made four tackles. Brook Honore Jr. punted twice for 63 yards for South Dakota. Chandler Chapman rushed 21 times for 86 yards. Edward Robinson ran seven times for 25 yards and caught three passes for 19 yards. Allen Middleton caught six passes for 64 yards. Kyle Thomas caught four passes for 34 yards and a score. Vinny Pierre Jr. made eight tackles. Andrew Behm had six tackles and a sack. Charles Pierre Jr. ran 15 times for 138 yards and a touchdown for South Dakota. Austyn Modrzewski completed 16 of 20 passes for 268 yards and a score. Tennel Bryant caught three passes for 60 yards and a touchdown and added a 44-yard scoring run. Wade Abrams made 11 tackles, and Tim White had nine.