Leeds United could only manage a draw on the opening day of the Championship season against Portsmouth on Saturday at Elland Road, and John Mousinho has made a big claim about The Whites. Goals from Pascal Struijk, Wilfried Gnonto and Brenden Aaronson saw Leeds draw 3-3 with Portsmouth, in what was their first game back in The Championship. Defensively, Leeds failed to keep Pompey at bay. But in attack, Leeds were explosive. The Whites hit the bar three times in the first 10 minutes, before USA star Aaronson missed a golden chance after equalising moments prior to put Daniel Farke’s side ahead…