Arizona State fans' excitement during the win over BYU just cost the school a chunk of change -- the Big 12 Conference announced a $25,000 fine for rushing the field before the end of the game.
The moment happened prior to the clock hitting zeroes in the No. 21 Sun Devils' 28-23 victory over the No. 14 Cougars ... with one second actually left in the contest when students bombarded the grass.
The premature celebration resulted in a 10-minute delay .