Career
After being delisted by Carlton, Kenna moved to South Adelaide in the South Australian National Football League (SANFL). He played 48 games for South Adelaide, coming second in the 2006 Magarey Medal and representing the SANFL twice, before returning to Melbourne midway through 2007. Once back in Melbourne, Kenna played for Box Hill in the Victorian Football League (VFL), whom he had played for before being drafted by Carlton.
Kenna is now teaching at Kalinda Primary School in Ringwood, Melbourne.
