In-form striker Paul Pickering scored four goals as Spencer coasted to a 5-1 win at Raunds in the Chromasport & Trophies UCL Division One.
Also on the mark for the Millers was Tomasz Mikutel, while Ricky Chambers replied.
Sileby Rangers moved to within a point of leaders Oadby by beating Rothwell Corinthians 5-1 at Fernie Fields.
Mark Redding and Jon Crockett scored two apiece and Rob Foster once for Rangers with Ben Johnson replying for Corinths.
Unbeaten Bugbrooke won 3-1 at Olney after trailing to a Craig Gorrie penalty at the interval, but Brad Janes, Lee Wilson and Will Briscoe turned the game round in the second half.
ON Chenecks won 3-1 at home to Burton Park Wanderers, Ben Lewington, Adam Hancock and Harry Barnes the Chenecks scorers, with Danny Hockridge netting for Burton.
Elsewhere, AFC Rushden & Diamonds won 3-2 at home to Harrowby with two Ben Morgan goals and one from Jake Newman building Diamonds a winning lead in the first period, before the Arrows fought back in the second half through Martin Wormall and Lee Shaw.
Eynesbury lost ground in a 1-1 draw at Bourne where Ben Easson’s Wakes opener was quickly matched by a Shane Fox reply for Rovers.
Thrapston and Rushden & Higham drew 2-2 at Chancery Lane where first half Lankies goals from Chris Walton and Craig Lawman were cancelled out by second half home replies from Callum Noble and Luke Cummins.
Burton Park are now bottom after Buckingham halted a nine match losing run with a 5-3 defeat of Whitworth at Manor Fields. Demarlo Smith and Drew Mitten scored two apiece for the Robins whose other scorer was Carl Knox with two goal Cavell Jarvis and Luke Raftery replying for the Flourmen.
PREMIER DIVISION
Tom Liversedge was another four-goal striker, as his haul inspired Cogenhoe United to a 6-1 win at Irchester United.
It was the Cooks’ second six-goal haul in as many weeks, with the tally being completed by Karl Bates and former Cobblers man Courtney Herbert.
Martin Mitchell got on the scoresheet for the Romans, who were also thrashed 6-1 the previous weekend by Long Buckby.
Buckby failed to hit the goal trail this week, but will be well pleased with their 0-0 draw at leaders St Ives.
The Station Road outfit are now unbeaten in six matches.
Elsewhere, Holbeach moved to within five points of the pace by defeating Wellingborough 4-0 at Carters Park with goals from Rob Hughes, Adam Jackson, Mitch Griffiths and Andy Tidswell.
Third placed Quorn halted Peterborough Northern Star’s revival by beating them 6-2 at Farley Way. Luke Edwards bagged a brace with singles for Nathan Watson, Kris Nurse, Joe Shaw and Dan Marriott, Star replying through Andy Furnell and Mark Cox.
Recent recruit TJ Nightingale scored four times as Spalding hammered next to bottom Harborough 7-1 at the Halley Stewart Field.
Luke Kennedy, Dan Cotton and a Danny Wright own goal completed the Tulips tally with Ben Barton’s spot kick counting for the visitors.
Deeping lost ground in the title race drawing 1-1 at Stewarts & Lloyds where a first half Ash Stevens opener for Rangers was cancelled out by David Sheridan after the interval.
Desborough could only draw 2-2 at home to Sleaford who had Liam Tunstall on target twice in between Tom Mills and Adam Randall replies for Ar Tarn, while Boston Town won for the first time in eight outings, 3-0 at AFC Kempston with Jason Field, Shane Clancy (penalty) and Ben Good on the mark for the Poachers.
The comeback of the day saw Blackstones beat visiting Shepshed 5-3 at Lincoln Road.
A Ryan Perkins opener and Kieran Davies double, the second a penalty, had Dynamo in control with Stones just managing a lone reply from Robbie Pearce, but Michael Jacklin and Joe Hopewell squared the game by the break and Tom Davies and Michael Nelson completed the fightback.
LEAGUE KO CUP
There were two upsets in the League Knockout Cup first Round.
Yaxley surprised Newport Pagnell 4-2 at Willen Road with an Adam Rothery double plus singles from Ondre Odain and Ricky Hailstone taking the Cuckoos through, Jared Cunniff and Keith Williams replying for the Swans.
Division One leaders Oadby won 2-1 at Huntingdon where Ben Sawyer gave the Premier hosts a first half lead which was overhauled after the break by an Ollie Brown-Hill penalty and Che Adams winner.
Results, Saturday, November 10
League Cup - Round One
Huntingdon Town 1 - 2 Oadby Town
Newport Pagnell Town 2 - 4 Yaxley
Premier Division
AFC Kempston Rovers 0 - 3 Boston Town
Blackstones 5 - 3 Shepshed Dynamo
Desborough Town 2 - 2 Sleaford Town
Holbeach United 4 - 0 Wellingborough Town
Irchester United 1 - 6 Cogenhoe United
Quorn 6 - 2 Peterborough Northern Star
St Ives Town 0 - 0 Long Buckby
Spalding United 7 - 1 Harborough Town
Stewarts & Lloyds Corby 1 - 1 Deeping Rangers
Division One
AFC Rushden & Diamonds 3 - 2 Harrowby United
Bourne Town 1 - 1 Eynesbury Rovers
Buckingham Town 5 - 3 Whitworth
O N Chenecks 3 - 1 Burton Park Wanderers
Olney Town 1 - 3 Bugbrooke St Michaels
Raunds Town 1 - 5 Northampton Spencer
Sileby Rangers 5 - 1 Rothwell Corinthians
Thrapston Town 2 - 2 Rushden & Higham United
Reserve Divisions Supp Comp
Bugbrooke St Michaels 7 - 1 Olney Town
Cogenhoe United 3 - 0 O N Chenecks
Rushden & Higham United 2 - 0 Thrapston Town
Whitworth P AFC Kempston Rovers
Eynesbury Rovers 2 - 3 Blackstones
Peterborough Northern Star 2 - 2 Huntingdon Town
Yaxley 3 - 2 Bourne Town
Burton Park Wanderers 0 - 1 Stewarts & Lloyds Corby
Harborough Town 0 - 5 Desborough Town
Reserve Division Two
Oadby Town 2 - 0 Irchester United
Rothwell Corinthians 4 - 2 Raunds Town