St Kilda forward Paddy McCartin as he has copped another head knock this afternoon against Melbourne at Etihad Stadium.
McCartin attempted to spoil Melbourne defender Neville Jetta in a marking contest and the pair accidentally clashed heads.
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McCartin has along history with concussion, receiving an alarming five recorded incidents his short AFL career.
It has not been McCartin's day, with the big man reportedly struggling with his blood-sugar levels associated with his diabetes during the first quarter.
Triple M's Michael Roberts is reporting that McCartin has been cleared by the St Kilda medical team and will resume in the second half.