■By PAUL REES

THE Lions were taking a risk with Dan Biggar by naming him in the side for yesterday’s Second Test against South Africa, according to World Rugby’s guidelines on concussion which were updated at the end of January.The Northampton and Wales outside-half failed a head injury assessment after leaving the field in the second half of the First Test last week. It was the fifth concussion he had suffered in less than two years and his second in 11 weeks after he failed an HIA during Northampton’s match against Gloucester at Franklin’s Gard...