Chelsea suffered yet another setback in their league season on Saturday after being held to a 2-2 draw at home to ten-man Burnley. The Blues hosted Burnley today in the Premier League as top-flight football returned after the international break, but they blew a huge chance for maximum points. Cole Palmer’s penalty kick on the stroke of half-time put the hosts ahead at Stamford Bridge, with Lorenz Assignon receiving a second yellow card as well. Josh Cullen equalised quickly after the interval, though. In-form star Palmer scored his and Chelsea’s second in the 78th minute, but there was still …