Listen to the full interview via the podcast.

In July, fitness coach Raymond Verheijen described David Moyes as a "dinosaur" for the way he and his staff over-trained Robin Van Persie during Man United's pre-season tour to the Far East and Australia.

At the time, Moyes had publicly admitted that he was over-training his player and Verheijen predicted that his fellow Dutchman would suffer injury problems this season. Significantly, Van Persie has suffered a host of fitness issues this season and is currently out for a month with a thigh strain.

The Dutchman, who served as Wales assistant manager under the late Gary Speed, spoke to Ger on Off The Ball tonight and accused Moyes of "gambling" with Van Persie's fitness. 

Verheijen witnessed first hand how David Moyes' coaches "gambled" with Van Persie's fitness on the pre-season tour and he was horrified by what he saw.

"Coincidentally when United was in Sydney last July, I was there as well. I went to the training sessions and I could see what they were doing with Robin Van Persie. He had to do a lot of running work and sometimes he even had to do it twice a day. You have to keep in mind that he missed the first week of pre-season so his fitness level was lower than the rest of the team. That already means you have to be careful," said Verheijen who lambasted the standard of fitness coaching in the UK.

"[Van Persie] had also just travelled for 30 hours and he had a nine hour time difference. Normally the body takes a week to recover from that. And still, despite these difficulties , they immediately over-trained him because they want him to catch up on the rest of the team. Moyes literally said it in the media. You don't have to be Einstein to understand that is gambling!"  

Verheijen, also explained how Moyes got it so wrong in the Newcastle game which aggravated Van Persie's fitness and told Ger that he was highly critical of Moyes and his credentials in both fitness coaching and tactics.

"If you look at the track record of Moyes at Everton, in the nine pre-seasons that he did, he had seven or eight times an injury crisis in pre-season followed by a slow start to the season. Clearly that pattern repeated itself at United."

"The planning and conditioning part in his coaching is prehistoric. The second problem of David Moyes is his technical awareness. If I look at the Man United games, I don't think he's technically the best coach in the world to say it in a polite way. Finally, if you are a coach and haven't won anything in your life or haven't even played a Champions League game, and you have to coach a team which is expected to win the Champions League and you are coaching players who have almost won everything, that is a very tricky combination."