Greg Platz is an Australian former professional rugby league

Rugby league

Rugby league football, usually called rugby league, is a full contact sport played by two teams of thirteen players on a rectangular grass field. One of the two codes of rugby football, it originated in England in 1895 by a split from Rugby Football Union over paying players...

 footballer of the 1970s. A Queensland and Australian international representative back row forward, he played club football for the Wynnum Manly Seagulls in the BRL Premiership. He is the brother of fellow Kangaroo Lew Platz.
In 1977 he captain-coached Toowoomba Wattles.
He captained the Toowoomba Clydesdales

Toowoomba Clydesdales

The Toowoomba Clydesdales are a rugby league football club based in Toowoomba, Queensland, named after the Scottish horse breed. They played in the Queensland Wizard Cup since the competition began in 1996 but no longer play in this competition....

in the late '70s. He played a lone international against New Zealand in Brisbane in 1978.