Bullish league leaders Manchester United tightened their grip on the title race after pushing aside Wigan to move four points clear of Arsenal.Relegation-threatened Wigan shone early on but Edwin van der Sar stood solid.Javier Hernandez cleverly clipped in rampant Nani’s cross after 17 minutes as the visitors gradually took control.Mexican striker Hernandez slotted a cool second 15 minutes from time before a Wayne Rooney tap-in, then substitute Fabio’s free shot, added a late gloss. Continue reading