[3] Heffernan would however sign with Heidelberg United and go on to score 50 league goals for the club, including 32 in the 2014 and 2015 NPL Victoria seasons.
[6] Following his impressive performances for Heidelberg in the National Premier Leagues and FFA Cup, A-League club Central Coast Mariners offered a trial by coach Tony Walmsley.
After impressing Walmsley with his performances, including a hat-trick in a friendly game against fellow A-League club Western Sydney Wanderers, he was offered a 1-year contract.
[7] He made his professional debut for the club in their opening round loss of the 2015-16 A-League season against Brisbane Roar.
[10] After a spell in Indonesia with Bali United, he later returned to England and re signed for former club Abbey Hey.