A win would probably send Trophy holders Posh through to the knockout stages, but Ferguson is also trying to nurse a depleted squad through a tough run of League One matches. Unlike Stevenage, Posh have a League One match on Saturday as Rotherham United are in town.
Here’s the team the PT would pick in the usual 4-2-1-3 formation.

9. CIAN HAYES
He didn't make the most of a rare start at the weekend, but he deserves another go in his best position on the wing. Kwame Poku is too valuable to risk in this game. Photo: Joe Dent

10. MALIK MOTHERSILLE
The lively forward could do with a goal so he's in our central striking role. Ricky-Jade Jones has earned a rest. There remain fitness doubts over recent signing Bradley Ihionvien. Photo: David Lowndes

11. ABRAHAM ODOH
He looked a decent left winger early in the season before losing his way. This match is a good chance to rediscover his best form. Photo: Joe Dent

12. The subs
Midfielder Archie Collins (pictured) is suspended on Saturday so he could be involved on Tuesday. We'd keep star men Kwame Poku and Ricky-Jade Jones away from this game so David Kamara, Tyler Young, Will Blackmore, Oliver Rose, Bradley Ihionvien (if fit) and David Ajiboye make up our bench. Photo: Joe Dent