He also won the NBL Best Defensive Player Award six times, leading to the league naming the trophy after him upon his retirement.

[2] He later moved to Canberra to attend the Australian Institute of Sport (AIS) and Lake Ginninderra Secondary College.

[3][4] He subsequently went on to play for the Australian national junior team at the 2003 FIBA Under-19 World Championship, where he won a gold medal.

[8] Martin began his professional career with the West Sydney Razorbacks of the National Basketball League, but suffered a season-ending knee injury ten games into the 2007–08 NBL season.

[11] The Spirit quickly fell into financial difficulty and were saved from collapse mid season thanks to a rescue package from the NBL.

[12][13] The players and coaches all took significant pay cuts,[14] with the entire team agreeing to live off just $150,000 between them to keep the franchise going—roughly $700 per week for Martin.

[31][32] He helped the Wildcats reach a third straight grand final, where they defeated the Adelaide 36ers 2–1 to win the NBL championship.

[40] On 4 November 2015, Martin suffered a broken jaw and missing teeth following an errant elbow from Townsville Crocodiles forward Brian Conklin.

In the best-of-five grand final series against the Illawarra Hawks, Martin helped the Wildcats win 3–0 to claim the championship.

[59] In the 2018–19 NBL season, Martin missed six games early with a low grade tear to his right calf muscle.

[60][61] Coach Trevor Gleeson credited Martin's late-season form as one of the key reasons for the Wildcats riding a wave of momentum towards the finals.

[62] The Wildcats finished with an 18–10 record to claim the minor premiership, before going on to reach the NBL Grand Final series, where they defeated Melbourne United 3–1 to win the championship.

Martin and long-time teammate Jesse Wagstaff became the first players in NBL history to win five championships with just one club.

[66][67] He missed the entire month of January with a left heel injury,[68] returning for the final two regular season games.