Rooney hit a brace in their 4-2 Champions League win over Bayer Leverkusen.
Moyes is adamant Rooney is a key component of his master plan. With him they have a chance of winning the Champions League, without him it is much more difficult.
"I knew if you are going to win the Champions League you have to have several world-class players and Wayne comes into that category," said Moyes.
"It is really important you have as many of them as you can in your team.
"You can see what some of the other teams have got and we have to keep adding to that while keeping the ones we already have here."
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