Wednesday are due at Pride Park for what should be a decisive game but Rotherham could yet render it irrelevant.
If the Millers win at Luton Town on Tuesday they will not mathematically relegate their South Yorkshire neighbours, but the Owls will need to beat Derby, whilst Rotherham win at Cardiff City and a goal difference swing of at least six, which would be a major surprise. Regardless of what happens in midweek, bottom-of-the-table Wycombe Wanderers, who drew level on 40 points with Rotherham and Sheffield Wednesday with a shock 1-0 win at home to play-off bound Bournemouth need a miracle to stay up.
Wednesday drew 0-0 at home to Nottingham Forest on Saturday.Should Luton win at Kenilworth Road on Tuesday, a final-day win would keep Darren Moore's Wednesday in the division if the Millers cannot win at Cardiff either. Rotherham's 1-1 draw with Blackburn Rovers ended a sequence of five straight defeats.
Paul Warne's Rotherham are the only relegation-threatened side with a midweek match to make up ground.
If Rotherham beat Luton, they will move out of the relegation zone on goal difference ahead of their final game and it would be them in a straight shoot-out with Wayne Rooney's Derby, realistically simply needing to match their final result.
Derby have an inferior goal difference to Wednesday,. Both could go down if Rotherham were to win either of their two remaining matches.
A Millers draw at Luton would need them needing to win on the last day and hope the sides cancel themselves out at Derby.
All the final games kick off at the same time, 12.30pm on Saturday.
One club who do not have to worry about it all is Huddersfield Town, whose 1-1 draw with Coventry City saw them escape Championship relegation late on for the second season running.
Barnsley's place in the play-offs was already assured, and Saturday's results mean they will almost certainly be at Oakwell, where fans are due to be allowed back in, for the first leg, with a trip to Brentford the most likely for the return. It was at Brentford's previous ground, Griffin Park, that the Reds dramatically escaped Championship relegation on the final day of last season.
If Barnsley can outperform Bournemouth on the final day, they will finish fifth and meet fourth-placed Swansea in the semi-finals. Barnsley host champions Norwich City on the final day, whilst Bournemouth are at home to Stoke City.
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