Stewarts & Lloyds are heading for the relegation trapdoor in the ChromaSport & Trophies United Counties League Premier Division after they were beaten 2-0 by Sleaford Town at Occupation Road.
The young Foundrymen squad are now nine points adrift of safety with just four games remaining.
Visiting captain Scott Coupland opened the scoring after 20 minutes and Sleaford wrapped up the points through Harry Millard just before full-time.
Jason Turner hit his 30th goal of the season for Wellingborough Town but it wasn’t enough as Cogenhoe United came from behind to win 2-1 at the Dog & Duck.
In new manager Ben Watts’ second game at the helm, Turner put the hosts in front after 12 minutes.
But Tom Liversedge levelled things up soon after the break before Elliott Lamb-Johnson hit the winner on the hour.
On Friday night, AFC Rushden & Diamonds moved back into second place, albeit briefly after Huntingdon Town beat champions Spalding United 2-0 on Saturday, thanks to a 1-0 home success over Yaxley.
Recent signing Scott Joseph was the hero for Andy Peaks’ men as he latched on to Richard Bunting’s long ball before rounding the goalkeeper and slotting home on 34 minutes.
Irchester United produced one of their best results of the season in Division One as they claimed a superb 3-2 success at fifth-place Lutterworth Athletic.
The Romans were 2-0 up inside 19 minutes thanks to Ashley Hunt and Ryan Lovell.
Mark English pulled one back for the hosts but Lovell made it 3-1 before half-time and Irchester held on for their first win in 12 matches, despite Nathan Bedford making it 3-2 after the break.
The local derby of the day went the way of Raunds Town as they claimed a 3-0 victory at Rothwell Corinthians.
Craig Young struck twice in the first half to put the Shopmates in control at Sergeants Lawn and they completed the scoring through Nick Harrison with 16 minutes to go.
Rushden & Higham United slipped to a 2-1 defeat at Olney Town as Deanio Bailey-Browne grabbed both goals for the hosts.
Steve Ainge grabbed a consolation for the Lankies in the third minute of stoppage-time.
Three goals in the last half-an-hour condemned Whitworth to a 3-0 defeat at Bugbrooke.
Ty Clark broke the deadlock on the hour and the lead was doubled with 10 minutes to go through Will Briscoe. And the Badgers completed their victory thanks to Clark’s second just before the end.
On Friday, Thrapston Town made it 10 games without defeat as they drew 1-1 with Buckingham Town at Chancery Lane.
The hosts were 1-0 up at the break thanks to top scorer Cory James but they were pegged back by Akin Iluyemi’s goal after the break.