Blackwell also lost in the Championship play-off final as manager of Leeds
Sheffield United boss Kevin Blackwell says he will consider his future following Monday's Championship play-off final defeat by Burnley.
After losing 1-0 at Wembley courtesy of Wade Elliott's first-half strike, the Blades boss admitted: "A whole year's work has been thrown away.
"The rebuilding takes a lot of doing. It might need someone fresh to come in.
"I've got to reflect about what I'm going to do and the club's going to do," he told BBC Radio Sheffield.
"This is a serious time for the club and myself. I need time to think and I will decide later on."
It is the third time Blackwell has been involved with a team who have lost in the Championship play-off final.
He was assistant manager to Neil Warnock when the Blades lost 3-0 to Wolves in Cardiff in 2003.
And he had moved on to become manager of Leeds United when they were beaten by the same scoreline by Watford, also at the Millennium Stadium three years later.
Now he has become a Wembley loser too. And he admitted: "This is not the place to come and lose.
"This is the worst of the lot. I can't tell you how I feel.
"I know how hard this is and if my players don't show the same passion I'll be disappointed.
"The players are in pieces and that is why it takes a major rebuilding job. I felt this was a really good chance and it's gone again."
Blades boss Kevin Blackwell said his side did not get the "breaks in the game".
United had penalty appeals turned down by referee Mike Dean after Brian Howard and Kyle Naughton went to ground in the Clarets box.
"I haven't got to live with it have I? Someone else has," he said.
"I'm disappointed. They are the breaks you need in games and we didn't get them.
He added: "You've got to take it on the chin and move forward. I congratulated Adrian Boothroyd and Watford last time [with Leeds in 2006] and I congratulate Owen Coyle and Burnley today - it's their day, not ours.
"I can't complain. Our young lads came through and made a contest of it but wasn't to be our day."
Reminded he had said before kick-off that the Blades must not lose, he added: "I'll have a think. I know the ramifications. I'm listening to my own advice."
Blades defender Chris Morgan was heartbroken by the defeat.
"I think everyone is devastated," he said. "We arrived here full of confidence and believed we would do the job. Everyone is bitterly disappointed.
"We have come within touching distance and we have a dressing room full of players that are good enough.
"We have probably let ourselves down a bit today but disappointments come with doing well and we need to leave the disappointment in the dressing room and our thoughts have got to turn to next season. We have to be positive and look ahead."
Midfielder Nick Montgomery added: "As a bunch of players we didn't play as a team like we did in the semi-finals against Preston.
"We've got some young players and we've got to learn from it.
"The fans were fantastic and I felt we let them down today.
"I just hope they can take the positives, build on our performances from the second half of this season, come out next season all guns blazing and try and get to where Burnley are now."
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