Sunderland have been told they have nothing to ‘worry’ about with Chris Rigg’s links to Newcastle United. Sunderland fans were left extremely concerned about Chris Rigg‘s future last summer, despite having been yet to make his debut in the Championship. The teenager had been offered a scholarship deal by the Black Cats after spending most of his childhood at the Academy of Light. However, Rigg was in high demand after making waves in the academy, as well as making his way up through England’s youth ranks. The 16-year-old had attracted interest from the likes of Newcastle and Manchester United,…