Between 2008 and 2011, Comuzzi was capped five times for the Pumas, mostly on the wing. His international career included a Test match against England at Twickenham.[3] He played in the Pampas XV that won the 2011 Vodacom Cup, competing amongst South African provincial teams.[4]
Comuzzi retired from professional rugby aged 30 and relocated to Chile in 2015 to take up a position at The Grange School, Santiago, where he is the Head of Sports.[5]