By Jamie Spencer Barcelona winger Ousmane Dembele, not all that long ago, might have been considered one of the biggest transfer flops of all time because of how injuries had long limited him. The Frenchman remains one of the most expensive players in history as a result of his €145m move from Borussia Dortmund in the summer of 2017. Frustratingly for Barça fans, he was often very good when fit, scoring 14 times in 2018/19 and 11 times in 2020/21, yet hardly playing in 2017/18 or 2019/20. Barcelona were determined to sell Dembele as recently as a year ago, keen to remove him from the wage bill…