Sydney Swans young gun Tom McCartin will undergo further testing next week after suffering a clash at training.

McCartin suffered a knock a few weeks ago that has restricted his training since.

He did not take part in Sydney’s practice match against GWS in Blacktown.

The 19-year-old is undergoing further testing to understand the injury, however until that testing takes place the club cannot speculate on the extent of the injury.

The Sydney Swans will provide a further update when appropriate details are available.