Duke sends Latics clear
By Mark Kendall
Last Updated: 01/01/70 1:00am
Nathan Ellington was The Latics' match-winner, poaching the all-important goal from close-range after 38 minutes.
Cardiff took advantage of Crewe's slip with a comfortable 2-0 win at Port Vale to close the gap on their automatic promotion rivals to just two points.
Gavin Gordon and Peter Thorne struck in either half to hand The Bluebirds maximum points.
Elsewhere, Luton climbed two places to seventh courtesy of a hard-fought home success against Plymouth.
Joe Kinnear's men grabbed the decisive breakthrough on the hour mark when Tony Thorpe found the back of the net.
Brentford increased Huddersfield's relegation worries with a 1-0 triumph at Griffin Park.
Mark McCammon's 56th minute strike was enough settle the match, and the result leaves Town fourth from bottom, but level on points with Mansfield Town directly below them.