The MotoGP paddock was embroiled in a fresh concussion protocol saga across the week spanning the Australian and Thailand Grand Prix, one that left a leading expert alarmed at the potential consequences of a rider being cleared to race after a crash that was initially described by his team as concussive.'No one knew that he had lost consciousness' - What happened at Phillip IslandMT Helmets MSI Moto3 rider Diogo Moreira was one of four to crash on the sighting lap ahead of the very wet Phillip Island race last Sunday.He made it back to the grid and was allowed to…