The United manager told CNN: "I've been fortunate, I think the players at this club realise quite quickly they have to have a standard and they don't go below that standard or they won't be playing. So our training performances are fantastic.
"The intensity, the concentration, the quality is always first class. So through that I've been able to enjoy it and I've had very, very, very few occasions in my whole time where a player is off colour or his wife's not well or the kid's not well that can change a guy for a day or two... but in the main I have been fortunate to see these players over the years purport themselves on a football field and at training that makes you proud that you say well 'I'm at the right club and I've got the right players'.
"They don't always win, but they always try to win. I think I'm very lucky. You look at someone like Ryan Giggs and he has to be the prime example of what we're after in life. Someone that has never changed, someone who at every training session does his best and throughout his 20 year career has excelled in different levels all the time. He just keeps going and going and going. He reinvents his energy better than anyone I've ever seen.”