Youngstown State leads South Dakota 13-10 in the second quarter of Saturday's game at the DakotaDome.
YSU QB Kurt Hess scored on a 4-yard run but the extra point was wide left with 8:56 left in the second quarter.
South Dakota QB Trevor Bouma scored on a 17-yard run through the middle of YSU's defense with 13:17 left in the second quarter.
The Penguins scored in the first quarter on a 40-yard TD pass from Kurt Hess to Jody Webb.
For game updates, follow Joe Scalzo on Twitter @JoeScalzo1.