Claudio Ranieri believes striker Jamie Vardy is crucial to the club's Premier League ambitions after the England striker scored twice to fire Leicester City to a 2-2 draw at Southampton.Vardy bagged his eighth and ninth Premier League goals of the season as Ranieri's men came from two goals down at the St Mary's Stadium.The 28-year-old snatched the point in second-half stoppage time, after heading home his first on the hourHe becomes only the fourth Englishman this century to score in six...
