Rotherham United moved into the npower League 2 automatic promotion places and guaranteed a place in the Play-Offs with a late win at Bradford City.
The Millers claimed a 2-0 victory over their Yorkshire rivals to leapfrog third-placed Burton Albion on goal difference with two games remaining.
They had to wait for their goals, Lee Frecklington opening the scoring with an 80th-minute penalty and Kieran Agard sealing the points in the closing seconds.
Only two Play-Off places now remain open, with the defeated Bantams and Northampton Town currently occupying them.
Northampton could have confirmed their spot with victory over Wycombe Wanderers but instead claimed a goalless draw and sit five points ahead of Exeter City in eighth with six still to play for.
At the wrong end of the table, bottom club Aldershot Town took another step closer to non-league football as they were beaten 2-0 at home by Southend United.
Another key relegation contest between Torquay United and Barnet ended with hosts Torquay winning 3-2 to exit the bottom two, creating a vacancy which their opponents duly filled.
Elliot Benyon put Torquay ahead in the 25th minute and despite a brace from substitute Jake Hyde, efforts from Billy Bodin and Brian Saah saw the home side over the line.
Barnet lie one point worse off than York City, AFC Wimbledon and Torquay.
In the final fixture Plymouth Argyle were 2-1 winners at Chesterfield. Joe Bryan and Curtis Nelson scored twice in five first-half minutes before Guy Branston's own-goal reduced arrears.
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