Chelsea 0 Sunderland 3: Black Cats spring surprise of the season with stunning win at Stamford Bridge to dent leaders

By MATT BARLOW Three and easy: Danny Welbeck scores Sunderland's third goalStrange goings-on at the top of the Barclays Premier League and never before has Ray Wilkins looked like such a tactical genius.Chelsea were destroyed by Sunderland, plain and simple. Nedum Onuoha, Asamoah Gyan and Danny Welbeck scored the goals and it would have been several more but for the brilliance of Petr Cech.