Pics: Prep for ChelseaBrowse official photos of United's Friday-morning training session.
De Gea's finest saveDavid says his best save for United came against Sunday's opponents.
Tactics: Reds vs BluesAndy Ritchie deploys MUTV's tactics board to preview United vs Chelsea.
Van Gaal helps out ValdesLouis van Gaal is giving Victor Valdes a chance to recover from injury with United.
Bosses set for tactical boutLouis van Gaal and Jose Mourinho's footballing philosophies will collide at OT on Sunday.
Shaw eyes Blues testLuke Shaw can't wait for 'one of the biggest games in world football'.
Chelsea "another biscuit"Van Gaal's Dutch phrase explains why United must improve on Sunday.
Video: Invincibles defeatedRuud led the charge on 24 October 2004 as United halted Arsenal's 'Invincibles'.
Mata's top five United starsWatch our exclusive video as Juan Mata names his all-time favourite United players.
Video: United TodayWatch MUTV's bulletin for news on Robin van Persie and Victor Valdes.
Meet Cole at the MegastoreAndrew Cole will meet fans and launch Bulova's Treble Collection on 27 October.
Copyright, Manchester United Ltd, 2014 Photography provided by Manchester United Ltd and Getty Images