Speed has not revealed whether he will carrying on playing next season
Sheffield United midfielder Gary Speed has not ruled out a return to the playing squad if the Blades fail to gain automatic promotion this weekend.
The Welshman, 39, has been out since November with a serious back injury and does not know whether he will be fit if the Blades end up in the play-offs.
Speed told BBC Radio Sheffield: "If you think the play-off final is the end of May then that's another six weeks.
"There's a chance of that, but I wouldn't put my head on the block, no."
Meanwhile, the club have confirmed that they have sold out their extra allocation of tickets for Sunday's promotion decider at Crystal Palace.
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