Doncaster Rovers 0 Scunthorpe 1: Madden sinks Rovers
Scunthorpe stretched their unbeaten away run to four games after Madden tapped in Luke Williams's left-wing cross.
In the first half, Cedric Evina and Nathan Tyson both hit the side-netting for Doncaster, while Cameron Stewart hit the crossbar late on.
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Hide AdScunthorpe United manager Mark Robins said: "It's a magnificent way to start the Christmas games, so I'm absolutely delighted.
"It was a great performance, great goal scored and a really good solid away performance.
"The best present you can get is three points."