No other player but Wayne Rooney could have occupied the number 1 spot on this list. Wayne Rooney has been brilliant for Manchester United ever since he put on that famous red shirt. The striker arrived at Old Trafford for an astronomical £25.6 million and has more than justified United’s investment in him. Sir Alex knew he got it right in signing Rooney when the forward scored a hat-trick and provided an assist on his unforgettable debut against Fenerbahce in 2004. The 28-year-old has been a gamechanger for United and has bailed them out of numerous stalemates over the years. Rooney can operate as a striker, second striker, attacking midfielder or a central midfielder making him the most versatile player in the game. The England international has deadly finishing and passing abilities as well as being an expert in set pieces making him a complete striker. Rooney will go down as a Manchester United legend and one of the finest players to have ever kicked a football.