Manchester United '99 Legends (L-R) Nicky Butt, David Beckham and Paul Scholes warm up ahead of the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends (L-R) David Beckham and Paul Scholes warm up ahead of the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends player David Beckham warms up ahead of the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends player David Beckham smiles as he warms up ahead of the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends manager Alex Ferguson walks out with his players for the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends player David Beckham walks out with his son Cruz ahead of the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends player Ole Gunnar Solskjaer (2nd L) celebrates after scoring the opening goal during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends player Paul Scholes (L) vies FC Bayern Legends player Roy Makaay (2nd L) during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends player David Beckham (R) walks out with his son Cruz ahead of the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends players Ronny Johnsen (L) and Jaap Stam (R) watch as FC Bayern Legends striker Roy Makaay (C) wins a header during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

FC Bayern Legends player Paulo Sergio (R) vies with Manchester United '99 Legends defender Gary Neville (L) during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

FC Bayern Legends player Ivica Olic (2nd L) vies with Manchester United '99 Legends player Jesper Blomqvist (L) during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

FC Bayern Legends player Ivica Olic is helped to his feet by Manchester United '99 Legends defender Jaap Stam during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends player David Beckham controls the ball during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends player David Beckham controls the ball during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends player David Beckham controls the ball during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends goalkeeper Peter Schmeichel applauds supporters as he leaves the game during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends goalkeeper Peter Schmeichel passes over the captain's armband to Gary Neville as he leaves the game during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

FC Bayern Legends player Paulo Sergio controls the ball during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

FC Bayern Legends player Ze Roberto (R) takes a freekick during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

FC Bayern Legends player Paulo Sergio wins a header during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends manager Alex Ferguson gestures to supporters as he leaves at half-time during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends assistant manager Steve McClaren leaves at half-time during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)

Manchester United '99 Legends player David Beckham (L) and FC Bayern Legends player Ze Roberto (R) walk off arm in arm at half-time during the Treble Reunion 20th anniversary football match between Manchester United '99 Legends and FC Bayern Legends at Old Trafford in Manchester, north-west England on May 26, 2019. (Photo by Lindsey PARNABY / AFP)