Both of the Red Devils strikers admitted their disappointment after their surprising exit from the Champions League but insisted they are determined to succeed in the competition
It has been suggested that the Red Devils would not field their strongest side in Europa League matches, but the two strikers are looking forward to setting the competition alight.
Rooney explained that he was eager to start, claiming that he saw no point in the team not taking the final stages seriously as they search for silverware.
"I’m actually really looking forward to playing in the Europa League. It’s a new challenge for all of us and we want to win it," Rooney told the club’s official website.
"There’s no point being in a competition if you’re not going to try and win it and I’m sure the manager will put a strong team out. It would be great to be the first United team to win the trophy and that’s our aim."
Welbeck also spoke of how keen he is to impress in the Europa League, hoping to carry on his prolific partnership with Rooney, with the two scoring 21 times in the 15 games in which they have played together.
The first hurdle the Red Devils will have to cross is a tough trip to Amsterdam to face Ajax, a side which Welbeck claims have the potential to cause Manchester United some trouble.
"It was unexpected [being in the Europa League] because obviously we're United and we're required to qualify and get into the next round of the Champions League," Welbeck said.
"Unfortunately we didn’t do that, we got knocked out and everyone was so down afterwards. We just want to atone by hopefully making amends in the Europa League.
"We’ve got an exciting tie against Ajax to come, we’re two clubs with great history and it should be a good tie home and away."