Sunderland's excellent 4-1 away victory at Fulham last weekend came after a morale-boosting 2-1 win against Manchester United in the Capital One Cup semi-final first leg.By contrast, Southampton have endured a difficult run of form of late, sliding down the league table after a strong start to the season.The Saints have won just two of their last ten league games - however one of these wins came last time out against West Bromwich Albion at St Mary's.