Free agents are still up for grabs and there are plenty of bargains still on offer for Darren Ferguson to take advantage of.
Here are 17 such players who have experience of Championship and League One football who may be of interest to Fergie. (*Information supplied by the transfermarkt.co.uk website)
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9. Jamie Hanson (midfield)
Last club: Oxford United Previous clubs: Derby County, Wigan Photo: Pete Norton
10. Lewis Grabban (attacker)
Last club: Al-Ahli SFC (Saudi Arabia) Previous cubs: Nottingham Forest, Bournemouth, Villa. Photo: Dan Istitene
11. Timm Klose (defender)
Last club: Bristol City Previous clubs: Norwich, FC Basel, Wolfsburg Photo: Catherine Ivill
12. Oumar Niasse (attacker)
Last club: Burton Albion Previous club: Huddersfield, Everton, Cardiff. Photo: Catherine Ivill