This game will have plenty of radio coverage
WEPG AM 910 in South Pittsburg will air the South Pittsburg coverage, which I believe is available on the cable system on there. (Charter?)
WDEF AM 1370 (Fox Sports Radio 1370) in Chattanooga will air the Boyd Buchanan coverage. There is talk of a simulcast on WDOD Am 1310, nothing has been confirmed there.
All South Pittsburg games are available and archived at http://www.allinbroadcasting.com
The Boyd Buchanan broadcast is available at http://www.bbschool.org. No archive but you can listen there on Friday night. Pre-game begins just after 7pm.