It has been over a month since Chris Rigg signed his first professional contract with Sunderland. There was concern over his future as he was flooded with interest from the likes of Borussia Dortmund and Manchester United, while reports had claimed he was waiting to see who Sunderland appointed as manager before making his decision. Rigg was clearly content with Regis Le Bris’ arrival though, having agreed to stay on Wearside only days after the players returned to the Academy of Light for preseason testing. The 17-year-old is one of a number of players who have spoken highly of the French coa…