Chicha's debt to Sir AlexThe last United player to score under the boss hails the retiring Scot.
View photos from the manager's 1,500th and final United match.
See how we covered an historic day at The Hawthorns with text and video.
Boss: Reds will march onThe manager is adamant that United's success will continue after he retires.
Rio Ferdinand says the boss gave him the responsibility to manage his fitness.
Robin van Persie describes the honour of working with Sir Alex and Paul Scholes.
Copyright, Manchester United Ltd, 2014 Photography provided by Manchester United Ltd and Getty Images