Watch Cayman Islands Grassroots Football. William Humphreys: Sports Portrait for Free: How to Stream the Movie Online at 123Movies. . William Humphreys has been involved in the Cayman Islands Football Community for over 25 years. He's been a player in the league, referee and coach. He now runs a football program at his local Church Field to help the youth of the Cayman Islands learn about the joys of playing football.