Paul Curtis was attempting to overturn a three-match ban for rough conduct Paul Curtis tackles Josh Sinn during North Melbourne's game against Port Adelaide in R7, 2025. Picture: AFL Photos NORTH Melbourne forward Paul Curtis will miss the next three matches after unsuccessfully challenging his ban for rough conduct at the AFL Tribunal on Tuesday. Curtis tackled Port Adelaide defender Josh Sinn in the second quarter of the Kangaroos' nine-point loss on Saturday, pinning his opponent's arms from behind. The Port Adelaide defender fell forward and hit his head on the Adelaide Oval turf. Learn More 00:41 With Sinn suffering a concussion, Curtis's tackle was graded as severe impact, high contact and careless conduct. Curtis was one of the Roos' best players against the Power, finishing with three goals to take his tally to 18 for the season. The ban means the 22-year-old will miss Thursday night's clash with Essendon, as well as matches against Brisbane and Richmond. Roos captain Simpkin is challenging his fine for instigating a melee during the third quarter of Saturday's game via a written submission. Learn More 04:57 Carlton midfielder Adam Cerra and Adelaide defender Mitch Hinge will face the Tribunal on Wednesday morning to try to overturn their one-week bans for striking. Cerra's case will start at 10.30am AEST on Wednesday before Hinge's case will be heard from 11.45am AEST. More to come