Manchester United manager Erik ten Hag has a decision to make heading into the FA Cup final. Cup finals can come down to fine margins, and selection decisions can make or break the results. David Beckham recently retold the story of how he was picked in central midfield in the 1999 Champions League final, due to a lack of options after suspensions to Roy Keane and Paul Scholes. Sir Alex Ferguson felt he had little choice, even though the rest of the players were not convinced it would work. This seasonErik ten Hag has been struggling for options, barely able to get a team together. He has not …