Van Berlo made his debut in 2005 aged just 18, playing 11 games in the season and averaging just over seven disposals a game. He became a regular the following season, missing five matches due to a broken collarbone but returning to play out the season. In 2007, van Berlo cemented a place in the starting 22, averaging 19 disposals per game and coming equal seventh in the club Best and Fairest. Van Berlo is a regular performer in Adelaide's young midfield and is notable for his high fitness level. After the retirement of Simon Goodwin at the end of the 2010 season, van Berlo was selected to become the captain of the club from the 2011 season onwards.