“I feel this will be a big season for myself and Manchester United”
United face champions Leicester at Wembley on Sunday in the Community Shield but Mourinho has no intention of resting anyone ahead of that showdown.
New signings Zlatan Ibrahimovic, Eric Bailly and Henrikh Mkhitaryan are all expected to feature, while Toffees boss Ronald Koeman will also send out the strongest side available.
Former United boss Louis van Gaal was reluctant to agree to Rooney’s testimonial while he was in charge.
But all that changed once Mourinho succeeded him and the United boss is now relieved he agreed to it considering it has taken on extra importance.
Rooney might be starting his 12th season with United, but admits he has never felt so excited about the future.
He said: “I’m looking forward to playing with the new signings. It’s exciting for any player to play with new players.