NORTHAMPTON boss Rob Page is not worried about his side's staying power.
The Cobblers head to Valley Parade tonight sore from the last-minute derby defeat against Peterborough.
It is the third time this season Northampton have conceded a late winner but Page is adamant his team do not run out of steam.
Page, who is considering making changes, said: "I know it's not fitness because they're a fit bunch of lads.
"It's just about switching off and decision-making.
"I talk about being ruthless and that's what I mean, being professional in seeing the game out."
Centre half Zander Diamond is set to miss the game after suffering a nasty injury to his eye socket. Gabriel Zakuani is expected to deputise.
Northampton went an incredible nine months without a league loss until their first defeat since promotion at Chesterfield in mid-September.
But they have lost five of the last eight, including back to back against Gillingham and Peterborough.
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