But who is the most-challenging opponent our first-team players have come up against? That’s a question we’ve previously posed to Harry Maguire and Aaron Wan-Bissaka, while ex-Reds Ryan Giggs and Bryan Robson have also made their selections in the past.
And speaking in a Q&A session with fans, our Brazilian duo of Alex Telles and Fred are also asked to choose their toughest competitors by supporter Stewart K from Uganda, as you can below.
For Alex, the defender reveals he actually faced his trickiest opponent when making his United debut in October.