Kevin Sinfield is a former professional rugby league player and one of the most successful captains in the history of the sport. Best known for his long career with Leeds Rhinos, he won multiple Super League titles, Challenge Cups and World Club Challenges. Since retiring from playing, Sinfield has become widely admired for his fundraising efforts for motor neurone disease charities in support of his former teammate Rob Burrow, raising millions of pounds through endurance challenges and charity events.