In 2018, Comben fell awkwardly while playing high school basketball, breaking his tibia and fracturing and dislocating his knee cap.
Comben's improved efforts under Vic Country coach Leigh Brown at U18 level earned him the nickname "Mr. Upside" from AFL recruiters.
His injury woes continued into his AFL career, as in early 2020 he suffered a small back fracture which interrupted his first season.
[3] Unfortunately, Comben then broke his collarbone the following week in an incident at training, missing the final game of North's season.
[5] After complications caused by surgery the prior year of his tibial stress injury, he eventually returned to North's senior side in Round 23, as a late inclusion for Callum Coleman-Jones.