Striker Alex Revell could make his return to the Cobblers match day squad for Saturday's Sky Bet League One trip to Fleetwood Town.
But the trip to the north west is going to be too soon for both Brendan Moloney and Luke Williams, although they too are still making encouraging progress.
Town didn't pick up any fresh injury concerns in Saturday's 2-2 draw at Southend United, where central defender Gaby Zakuani, who has been struggling with a hamstring problem, made the first-team squad for the first time since January 2, albeit as an unused substitute.
Revell, who has scored 10 goals this season, hasn't played since damaging a calf muscle in the 5-3 defeat at Milton Keynes on January 21, missing five matches, but he is set to make the trip to the Highbury Stadium as boss Justin Edinburgh's selection options continue to increase.
"We had Gaby back for the weekend, which was a big plus, and he has trained on Monday and will train today and continue that," said the Cobblers boss on Tuesday morning.
"The rest are pushing, and Revs possible could be in with a chance of being involved with the squad on Saturday, which is good.
"The others are not too far behind in Luke Williams and Brendan Moloney, which is a positive. We would obviously like them back now, but they are getting closer to being part of the squad again."
Williams suffered a knee injury in the 2-1 defeat at Walsall on February 4, and has been back at parent club Scunthorpe United undergoing his rehabilitation.
It was at one point feared Williams may have to undergo an operation, but that is not the case, and Edinburgh is hopeful the 23-year-old could be back training at Moulton College ahead of next Tuesday's Sixfields date with Oldham Athletic.
"Luke had pinched a cartilage, but they were concerned and he went to see a surgeon down in London," said the Cobblers boss.
"The surgeon injected to ease the swelling and that was successful, and Luke has done some conservative work there (at Scunthorpe) last week, and he was out on the grass on Monday running.
"They intend to pick that up in the week as they go along, and if that goes well, as it has done so far, then he will be back with us next Monday."
Moloney's return from a knee operation he underwent in following the 1-0 derby defeat to Peterborough United has been a long drawn out and painstaking one.
The Irishman was originally expected to be back in action by mid-to-late January, but he is still not involved in full-time training and is still two more weeks away from being available for selection.
"Brendan is still working with (head physio) Anders ( Braastad) and (fitness coach) Pablo (Garcia), and has not been into the ball work yet," revealed Edinburgh.
"I think perhaps in the latter part of this week he will start joining in with the warm-ups and some passing drills, joining in the early part of the sessions.
"We're looking forward to him then getting back into it next week, and I think with Brendan we are looking at two weeks to be able to come into the squad."