Concussion concerns could change tackling, says Cane

Growing concerns about concussions, coupled with the harder line taken by World Rugby on contact with the head, could make players think twice before blasting into tackles to dominate collisions, says All Blacks flanker Sam Cane. Cane was at the centre of a storm last November when he inadvertently made contact with the head of Ireland centre Robbie Henshaw during their bruising test in Dublin. Henshaw was knocked unconscious and stood down due to concussion and while the New Zealand flanker was