Goalscorers Charlie Goode and Callum Morton were among many impressive performers at Blundell Park. Here are our player ratings...
1. Steve Arnold
Undoubtedly his best day in a Cobblers shirt. Solid under crosses and between his sticks, producing a sharp save from Grandin before half-time. Was alert again late on to ensure a first league clean sheet for the club... 7.5 Photo: Pete Norton
2. Charlie Goode
Another fabulous all-round performance from the skipper. Got the crucial early goal with a rasping finish and went on several marauding runs forward, one of which nearly saw him add a second. A titan at the back... 9 Photo: Pete Norton
3. Scott Wharton
Restored to the team as the middle centre-back in Town's back three and it was a role that appeared to suit him. Mopped up attacks, tidy on the ball and handled the very tricky conditions adeptly... 8 Photo: Pete Norton
4. Jordan Turnbull
Keeps churning out good performances, whether it's in defence or midfield. Left side of the back three against Grimsby and was excellent again, keeping the home side's dangerous front line largely in check... 8