With the European Championships now entering knock-out territory, things have become distinctly make or break for the Manchester United stars dreaming over glory over in Germany. Luke Shaw could finally make his tournament bow against Slovakia on Sunday. According to The Telegraph, meanwhile, a first ever competitive start could be the reward for Kobbie Mainoo after his impressive cameo off the bench in Tuesday’s insomnia-curing Slovenia stalemate. Portugal were dreadful in defeat by Georgia, completely devoid of creativity in the absence of a rested Bruno Fernandes. Roberto Martinez’s talisma…