Victory over Wigan in their final Barclays Premier League game on Sunday will see United almost certainly pip the Blues, who are level on points but way behind on goal difference, to the title.
Fletcher said: "We owe Chelsea one. We lost the FA Cup final and then lost the league game the other day, though we managed to win at Old Trafford."
Copyright (c) PA Sport 2008, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: https://www.givemesport.com/writeforgms