He’s one of the most influential people in the history of Swansea City, he was a huge crowd favourite as a player, and as a manager presided over 28 month spell that will never be forgotten. Of course it could and arguably should have been far longer, and his departure for Wigan in 2009 was a bitter pill to swallow and has certainly tarnished his reputation in SA1. But what will the legacy of Roberto Martinez be at Swansea City? Let’s go back to the beginning…