Widdowson missed his side's last two matches with a hamstring problem but has recovered in time to travel to high-flying Dale.
The manager will monitor forward Roy O'Donovan who missed Saturday's 2-2 draw with Dagenham after aggravating his ankle injury in the 2-0 defeat to Oxford.
Boothroyd has no fresh injury concerns but Clive Platt (calf), Matt Heath (thigh), Alex Nicholls (broken leg), Kelvin Langmead (knee) and Lewis Hornby (back) are still out as the Cobblers search for just their third victory of their league campaign.
- Sports & Recreation
- Disease & Medical Conditions
- Kelvin Langmead
- Alex Nicholls