A teenage boy is being questioned by police after a man was stabbed during a street brawl involving A-League soccer fans in inner Sydney last night.

The fight began as Sydney FC and Melbourne Victory fans left Sydney Football Stadium at Moore Park about 10:00pm.

The man, aged in his 20s, suffered a stab wound to the torso and was taken to St Vincent’s hospital in a stable condition.

Another man was treated for a wound to his hand.

A 16-year-old boy was arrested at the scene.