Watch 4A, 3A Semifinals Live! Posted By Chad Rader on Nov 16, 2012 | 0 comments Watch 4A, 3A Semifinals Live! Tune in tonight and watch as 810 Varsity produces BOTH Kansas 4A semifinals and rivals Silver Lake and Rossville in 3A. Or watch the games archived too! 4A – Piper at Eudora 4A- Holton at Mulvane 3A – Rossville at Silver Lake Plus Missouri playoff games and more!