 Complete the following phrase:  In the final, they met first-time finalists Villarreal, Uniteds third Spanish opposition this season. The clubs previously met four times, in the 200506 and 200809 Champions League group stages. All ended in goalless draws. The final was held on 26 May 2021, on the 22nd anniversary of the now-manager Ole Gunnar Solskjærs winning goal in the 