PULLMAN, WA – OCTOBER 17: The Washington State Cougars take the field against the Oregon State Beavers at Martin Stadium on October 17, 2015 in Pullman, Washington. Washington State defeated Oregon State 52-31. (Photo by William Mancebo/Getty Images)Washington State fans were reasonably giddy after their October 20 win over Oregon. They dominated the game, and had the nation watching them thanks to College GameDay visiting their school.Unfortunately, the crowd may have gotten a little too excited by the big win. After the final whistle, fans rushed onto the field to celebrate the 34-20 victory – and the Pac-12 have now levied a punishment.The Pac-12 has fined Washington State $25,000 for allowing its fans to rush the field.Washington State fined $25,000 by Pac-12 for rushing the field after Oregon win on Oct. 20— Brett McMurphy (@Brett_McMurphy) October 29, 2018Last year the Cougars were fined another $25,000 for rushing the field following a win over USC.Washington State fans have reason to be excited for the season on the whole. The team is 7-1 with the best record in the Pac-12 as of writing.Though the Cougars have not won a conference title since 1997 (when it was the Pac-10), they control their own destiny in 2018.Three of Washington State’s final four games this season will be at home. Hopefully they can contain themselves if they manage to win those games.