Summary: Mark Chapman is joined by the BBC Commentator Ian Robertson, Ex-Northampton and England Flyhalf Paul Grayson and RFU Professional Rugby Director Rob Andrew to discuss the announcement that Jonny Wilkinson will retire at the end of the season to take up a coaching role with his current club Toulon. We'll also hear an extract of Jonny Wilkinson's interview with Jarvis Cocker where he discusses his fascination with quantum physics as well as hearing from All Blacks fly-half Dan Carter.
