Manchester United’s Marcos Rojo (left) celebrates scoring his side’s 2nd goal as Cambridge United’s Ryan Donaldson looks dejected during the FA Cup, Fourth Round replay at Old Trafford, Manchester. PRESS ASSOCIATION Photo. Issue date: Tuesday February 3, 2015. See PA story SOCCER Man Utd. Photo credit should read: Martin Rickett/PA Wire. RESTRICTIONS: Editorial use only. Maximum 45 images during a match. No video emulation or promotion as ‘live’. No use in games, competitions, merchandise, betting or single club/player services. No use with unofficial audio, video, data, fixtures or club/league logos.