Shinji Kagawa's hat-trick helped the Reds towards an eventually-emphatic 4-0 win, and having also chipped in with a goal, Wayne stated that team selection was an important factor on Saturday.
“It was a massive game for us, we wanted to extend the lead at the top of the league," Rooney told MUTV.
"I’m sure you can see by the team the manager picked, he put a lot of experienced players out and made us aware that the Norwich match was more important than the game on Tuesday. So, it was a good professional job and a well-deserved win.”
United came up against a stubborn Norwich defence in the first half, but broke the deadlock moments before the break through Kagawa’s close-range volley. Rooney thinks the opener was vital, and was full of praise for his team-mate.
“I think that [goal before half time] virtually created all the space we got in the second half, because we knew sooner or later Norwich would be back to try to have a go at us and try to get a goal back. So, to get that goal at the end of the first half was vital for us.
“He [Kagawa] was fantastic, he keeps putting himself in positions where he can maybe get a shot at goal or play someone in. If you can see him and pick him out, he’s cool with his finishes as well. He works hard and he’s a good team player, and we’re all delighted that he got the three goals.”
Rooney compounded the visitors' misery in the closing moments of the match by firing