[2] He joined the Melbourne Tigers junior squad at age 16[2] and was a member of the Victorian Championship State Team in 1996 and 1998.
[3] After playing in the Big V Championship Division for the Werribee Devils in 2001,[3] Corletto joined the Melbourne Tigers of the National Basketball League (NBL) for the 2001/02 season.
[4] During this three-year run, Corletto appeared in 37 games each season and helped lead the Tigers to three straight NBL Grand Final series, winning championships in 2006 and 2008.
The 2008 season saw him earn Big V All-Star Five honours and the Golden Hands award, while also being named Grand Final MVP.
[4] On 9 March 2012, with the 2011/12 NBL Finals still in progress, the Breakers confirmed the re-signing of Corletto on a two-year contract.
[12][13] On 13 June 2014, Corletto signed with Melbourne United for the 2014/15 NBL season, returning to the revamped club for a second stint.
[4] In 397 NBL games over 14 seasons, Corletto averaged 8.3 points while shooting 43.4% from the field, 36.7% from three-point range, and 85.1% from the free throw line.
[15][16] After the Raiders went 0–3 to begin the season, the club named Corletto player-coach, replacing the outgoing Jay Marriott.