Career
He started his career at Football Club Den Bosch. He played 107 games for Den Bosch (1994–2001), nine games for Belgian side Germinal Beerschot Antwerpen (2001–2002) and 72 games for Royal Bank of Canada Roosendaal (2002–2005), and then moved to Feyenoord Rotterdam who loaned him back to Royal Bank of Canada for another season before joining Feyenoord"s first team set-up. After some serious mistakes during the 2005-2006 season, he was banned to the bench by coach Erwin Koeman and as of July 2006 Feyenoord decided to leave him out of the squad.
Aerts was transferred to Willem II from Tilburg.
On 3 February 2007, he played his first Eredivisie match for Willem II against Heracles Almelo. On 3 June 2010, he left the Netherlands and signed a two-year contract with Hertha Bachelor of Science. After two seasons he was released.
As he could not find a new club, he ended his career.