Career
His regular position is prop or hooker. Youth
Muller was selected to represent the Leopards at the 2005 Under-16 Grant Khomo Week and the 2007 Under-18 Craven Week tournaments. In 2010, he played for East Rand side Falcons U19 in the 2010 Under-19 Provincial Championship.
Falcons
He started six matches during the competition (three as a loosehead prop and three as a hooker) and also scored one try in a 52–52 draw at home against the Boland Cavaliers.
He was on the scoreboard once again in their match against the Boland Cavaliers, this time scoring two tries for the home side in a 28–21 victory. Rustenburg Impala
He joined club side Rustenburg Impala for the 2015 season.
