NORTH Melbourne has delisted untried defender Tom McKenzie.

A stress fracture flared in the 19-year-old's back in May, limiting his chances to press for a senior debut. 

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He managed just one VFL game in his time on the Kangaroos' list. 

The Roos selected McKenzie with their first pick in the 2018 NAB AFL Rookie Draft.

McKenzie in action for Vic Metro at the 2018 NAB AFL U18 Championships. Picture: AFL Photos