By Megan Feringa Winning the FA Cup with Manchester United would be “everything” for England No.1 Mary Earps after a “mentally brutal” season. United made history as they defeated reigning champions Chelsea 2-1 at Leigh Sports Village on Sunday afternoon to book a second successive spot in the FA Cup final. The victory marked the first time in United’s history that they managed to emerge on the right side of the margins against the Blues and a win over fellow finalists Tottenham Hotspur would see the club claim their first-ever piece of silverware. United relished a dream start as Lucia Garcia…