"Tevez was unbelievable for West Ham in the second half of last season," said Rooney. "He did brilliantly in keeping them up.
"He will be a great signing for us and I'd really look forward to playing alongside him.
"I'm sure we could work out. Top players anywhere can work off each other.
"At United, we don't really play with two up front because we try and rotate and move, so it won't just be the two of us in attack.
"But it will be fantastic and I am very excited about the prospect."
Was he happy for the summer break?
He added: "I was really looking forward to playing again because this is the longest summer I've ever had off.
"It was six weeks in all. After the first couple of weeks I got bored and wanted to get back playing, so it was obviously
"I'm delighted to be back in training and will hopefully stay fit throughout the summer and start the season really well."