"Ji doesn't get the credit he deserves. He makes a lot of runs. He's like a whippet and just keeps going," said Wayne Rooney.
Neville added, "Ji may not get the headlines but I don't think any of the players who play with him under- estimate his quality.
"He is a nightmare every day in training. He continues to run all the time. He is a little bit like Freddie Ljungberg in that he does for us what Freddie has done for Arsenal."
"He will be a snip at the money we paid for him,"
"He is someone who can play on the left or the right. He works up and down and gives the team a real outlet. He was a threat all day against Arsenal. He did very well out there on the left wing."
Gordon Strachan expects Roy Keane to continue playing at Celtic next season.
"It's fantastic that Heinze is playing again," He told Argentinean television station TyC Sports.
"We've been aware of his development and he is concerned about how important he is to our team.
"He also knows that we need him to get over the injury completely. If he is ready to play, it's very satisfying for us."
Peter Kenyon has denied there is a rift between him and Jose Mourinho:
"I am 100 per cent happy with him. It is just fabrication." he said.