North Melbourne forward Paul Curtis will miss the next three games after unsuccessfully challenging his suspension at the AFL Tribunal.

Curtis was handed the sanction for a controversial dangerous tackle that drove Port Adelaide’s Josh Sinn’s head into the ground during the Roos’ loss at the Adelaide Oval, which left Sinn with a concussion.

The Roos argued Curtis’ conduct was not unreasonable or careless in attempting to overturn the ban, but also challenged Match Review Officer Michael Christian’s grading of the incident as ‘severe impact’, calling instead for a grading of ‘medium’ that would have downgraded the suspension to one week.

However, they were unsuccessful on both counts, with the Tribunal upholding the original suspension.

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