Endrick may have stolen the headlines as Brazil beat England on Saturday night, but we are only interested in one of the wonderkids on show at Wembley Stadium. He hardly needs an introduction at this point, but we are of course talking about Kobbie Mainoo. In a rather flat encounter at Wembley, United fans were just hoping for a glimpse of Mainoo in an England shirt. The moment duly arrived in with 15 minutes to play as Mainoo – stood alongside United teammate Marcus Rashford – was introduced. Mainoo replaced Conor Gallagher in midfield and showed some of the poise, composure and technical bri…