After recovering from the operation, Earl changed to Matraville Sports High School in 2007 where he was a member of the Arrive Alive Cup winning team, scoring a try in the final against Patrician Brothers Blacktown.

[3] However, the Roosters let him go at the end of the season, after he and teammate Jake Friend were charged with assault (for which he was found not guilty) on 20 July, for "sustained concussion, bruising to face, pain to neck and back", the victim being 31-year-old Queensland woman believed to be Kristy Bradley, the niece of ABC rugby league radio commentator David Morrow.

[6] His 2010 season was capped by scoring a spectacular try in the finals against the Canberra Raiders, cartwheeling towards the try line and planting the ball over it while his body was suspended over the sideline.

[8] Earl played for Penrith's feeder club the Windsor Wolves in the New South Wales Cup Grand Final which they lost to Canterbury-Bankstown.

[11] On 29 August 2013, Earl was removed from the NRL competition and the Canberra Raiders after he was issued with an infraction notice for the use and trafficking of drugs to which he has admitted to and assisted the Australian Sports Anti-Doping Authority with their investigation.

[12] On 24 October 2017, it was announced Earl had signed a one-year deal to return to rugby league with the Melbourne Storm after completing his four-year drug ban.

On 22 November 2017, it was revealed that Earl had suffered a torn anterior cruciate ligament (ACL) knee injury at pre-season training with Melbourne, which ruled him out for the entire 2018 NRL season.

[20][21] On 29 August 2013, Earl was stood down from the NRL competition after he was issued with an infraction notice for the use and trafficking of the performance-enhancing drug CJC-1295, a synthetic growth hormone analogue.