Career
Born in Sydney, McGrath played youth football for Brøndby before making his professional debut for the club in 2010. In 2013, Brent returned to Australia, playing for Adelaide United !Adelaide United and Bentleigh Greens before spending time in the Thai Premier League. In 2015, he returned to Denmark with Football Club Fredericia.
Brent was recognized very early as a player of great potential.
Whilst playing for Sydney United in the NSW Premier Youth League competition, he stood out as a player of the future. As a young 14-year-old, Brent was selected in the NSW state team where his skills were being enhanced - getting him ready for the higher levels he was destined foreign
Even at this early stage, a very young and humble young man had his feet squarely planted on the ground. McGrath signed for Brøndby IF in 2010.
He wears the number 32 for his club
On 22 March 2010, McGrath made his senior debut for the Brøndby first team against Randers, coming on as a 65th-minute substitute for Peter Madsen. McGrath scored his first goal for the club in October 2010 against Football Club Nordsjælland in a 1-1 draw in the Danish Superliga. Following his departure from Denmark, McGrath flew to Melbourne to trial with A-League club Melbourne Victory ahead of the 2013-2014 season, but eventually signed for Adelaide United
On 20 August 2015, McGrath signed a one-year contract with the Danish 1st Division club Football Club Fredericia.
McGrath received his first Socceroos call up by coach Holger Osieck for a friendly against Germany.
He came on as a substitute for Brett Holman in time added on in Australia"s 2-1 victory.