SANZAAR release statement on Sonny Bill Williams continuing to play despite being knocked out

Following a worrying head-knock incident in the opening minutes of the Rugby Championship clash between Australia and New Zealand, SANZAAR have released a statement saying that they have urgently reinforced the Head Injury Assessment (HIA) protocols. All Black centre Sonny Bill Williams was clearly 'sparked' when making a tackle just two minutes into the game in Sydney. Footage shows that he tackled Michael Hooper and possibly knocked heads with teammate Joe Moody, then got up looking punch-drunk, with his legs all over the place as though he had been KO'd when boxing. He regathered his sens…