Doncaster manager Paul Dickov was left bemoaning the "shambolic" way in which their game against Charlton was abandoned at The Valley.
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Nottingham Forest have made their fifth signing of the summer by acquiring Doncaster midfielder Simon Gillett on a free transfer. The former Southampton man previously played under Forest boss Sean O'Driscoll at the Keepmoat.
Derby County have completed the signing of Doncaster defender James O’Connor for an undisclosed fee.
The 27-year-old has signed a two-year deal with the Rams.
Manager Nigel Clough said: “He’s versatile and can play right across the back four, and it’s great to have someone like that in the squad."
Centre-back Rob Jones has joined Dean Saunders' Doncaster Rovers from Sheffield Wednesday. The defender skippered The Owls to promotion to The Championship last season.