By Matt Hardy The NFL has a long and complex relationship with brain injuries and concussions. In 2021 a $1bn settlement saw the American football league agree to end race-based adjustments in dementia testing relating to black retirees. Just over a decade ago the New Orleans Saints were caught up in “Bountygate” after awarding their players non-contract bonuses for knocking opponents out of a game. And since the NFL Mild Traumatic Brain Injury (MTBI) Committee was formed in 1994 there have been a number of legal actions taken against the league. The NFL is not alone – other sports struggle wi…