Harry Morrison showed plenty of promise in his Round 23 debut game against the Western Bulldogs.

The 18-year old gathered 21 disposals, eight score involvements and three inside 50s, showing he felt comfortable at the elite level. 

Morrison showed a level of composure in his opening game, operating at an impressive 76.2% disposal efficiency. 

His 21 possessions were the highest tally for a debutant since Billy Hartung had 26 in his first AFL game in Round 7 2014 against St Kilda. 

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There have been 13 first-gamers since then. 

Morrison, who hails from Benalla, joined Dallas Willsmore, Teia Miles, Conor Glass and James Cousins as the fifth Hawk debutant for season 2017. 

The cousin of Brisbane Lion superstar Tom Rockliff, Morrison has been one of Box Hill’s most consistent performers throughout a strong season for Hawthorn’s affiliate club.

Over 16 VFL games this year, he has averaged 20 disposals, seven marks, four tackles, three inside 50 and three rebound 50s. 

The number 35 will now turn his attention to having a strong preseason, with an aim to put some weight on his 73-kilogram frame likely to be a strong focus.