Mitch Hahn of the Bulldogs badly hyperextended his left knee forwards after landing awkwardly and grimaced on the ground with his hands around his knee .
In a game between Brisbane and the Western Bulldogs .
Mitch Hahn of the Western Bulldogs badly hyperextended his left knee forwards after landing awkwardly and grimaced on the ground with his hands around his knee .
In a game between Brisbane and the Western Bulldogs .