Russell Martin has had a tough start to life as a Premier League manager with his Southampton side losing all three of their league matches so far. Russell Martin is a relatively inexperienced manager who climbed the ranks quickly before arriving at Southampton last summer after spells in charge of MK Dons and Swansea City. In his five years as a manager, Martin has demonstrated a possession-heavy style which focuses on principles of control and finding the spare man. Southampton have struggled since their return to the Premier League with defeats to Newcastle United, Nottingham Forest and Bre…