The Irish finished 8-6.
Big Red and Irish will play a Division IV state semifinal at Boardman's New Spartan Stadium.
The Irish, the last Valley team still alive, are in the Division IV state semifinals.
The Spartans won on a field goal on the game's final play.
YSU's Jody Webb returned two kickoffs for touchdowns.
Ursuline, Crestview, JFK set for the third round of the playoffs.
The Penguins blew a 24-10 lead in the fourth quarter.