Manchester United assistant coach Michael Carrick hails Jose Mourinho as managerial 'great' alongside Sir Alex Ferguson
Carrick told Britain's Press Association that the most striking thing about the Portuguese boss was his track record in winning trophies over many years.
Fergie admitted it was a big moment to be back at the stadium where one of the stands is named after him in recognition of his incredible achievements with United.
Wenger, during his first decade in charge of Arsenal, was vying for English football supremacy with a Manchester United side under the control of Ferguson.
McLeish begins his second spell in charge of Scotland when Costa Rica visit Hampden in a World Cup warm-up friendly.
Arsene Wenger will be in charge for a record 811th Premier League game, passing the mark previously set by Alex Ferguson.
Pep Guardiola says Manchester City were always his first-choice club when he decided to come to the Premier League, despite Sir Alex Ferguson's attempt to lure him.