Class 4A #8 Knoxville remained unbeaten with a four match sweep and the team championship at the Keokuk Invitational on Saturday. The Panthers beat Central Lee two sets to one, and Columbus and New London two sets to none to win pool play. The Panthers were then matched up with Holy Trinity and defeated the class 1A #9 Crusaders in two sets to win the Invitational. The 14-0 Panthers get back to South Central Conference play Tuesday traveling to Eddyville-Blakesburg.