A trademark James Ward-Prowse free kick earned Saints a scrappy 1-0 Premier League win to keep themselves alive in the relegation fight. The victory also ended their three-match losing streak for the visitors.Goal-shy Chelsea suffered their eighth defeat of the season to prolong their winless streak to four now - three draws and a loss.Chelsea captain Cesar Azpilicueta brought down Stuart Armstrong just outside the area in the 45th minute and Ward-Prowse curled a free kick over the wall into the right-hand side of the net with goalkeeper Kepa left sprawling.