George Thomason, John McAtee, Eoin Toal and Dion Charles all scored for the visitors before Tom Eaves and Jon Guthrie added some respectability to the scoreline with stoppage-time headers. Here are our player ratings from Sixfields...
9. Mitch Pinnock
Town's most threatening player in the first half, forcing Baxter to make a couple of good saves from either side of the penalty box. Swung in the corner for Guthrie's goal. But with so many options now at Brady's disposal his place seems under increasing threat... 6 Photo: Pete Norton
10. Tariqe Fosu
His least effective game for Cobblers. That's not to say he didn't look to get on the ball and try and make things happen - he did - but Bolton snuffed him out and he left the field on the hour... 6 Photo: Pete Norton
11. Tyler Roberts
Too much on the periphery given his quality and what he can offer Cobblers. Isolated at times and only able to impact the game when he dropped deeper. His work-rate was excellent though. Several times he was one of the first players get back... 6 Photo: Pete Norton
12. Sam Hoskins
It's rare that he starts two successive games on the bench but he was given more time as a second half sub against Bolton and he brought a bit more life to the home side's attack... 6 Photo: Pete Norton