Head knocks are finally taken seriously by sports - or are they? We examine the handling of superstars Tom Trbojevic and Robbie O’Davis.  Find out more about The Front podcast here and read about this story and more on The Australian's website or search for The Australian in your app store. This episode of The Front is presented by Claire Harvey and edited by Tiffany Dimmack. The multimedia editor is Lia Tsamoglou, and original music composed by Jasper Leak. See omnystudio.com/listener for privacy information.