Chris Rigg is already attracting transfer interest at Sunderland this season, with Real Madrid taking note. Chris Rigg has been linked with Real Madrid and also Borussia Dortmund following his bright start to the 2024/25 season with Sunderland. The 17-year-old has started the last three Championship games for Regis Le Bris’ side, impressing in all of them as Sunderland maintain a perfect start to the campaign. It comes after a contested summer for Rigg at the Stadium of Light. Rigg signed his first professional contract in the summer, penning a deal on Wearside until the summer of 2027. But it…