 Crowell's first goal in his second spell at the club came in a 5–0 win away at Aberystwyth FC where he scored a penalty.In March 2013 Crowell signed for the Central Coast Mariners Academy, feeder seed for Central Coast Mariners FC of the A-League where he had a previous stint in the 2009–10 season.A former captain of the Wales under-15 side, Crowell later went on to represent Wales at under-17 and under-19 levels.