Only 11 players can start a match for Manchester United in any given weekend so competition for a place in arguably the world's most famous football club are understandably highly competitive.
Some would say to even make an appearance for the Red Devils is a huge life achievement on its own, regardless of where a career progresses from there.
Most young players never achieve their dream of being professional footballers, even fewer get to do so at Old Trafford and even fewer see off the huge competition for places, which since the formation of the Premier League in 1992 has gone global and includes the very best stars seen in the game.