The battle intensified at the top of Midlands Three East (South) as the top four sides all won..
Stewarts & LLoyds still lead the way following their 54-8 demolition of Long Buckby.
But second-placed Stamford have two games in hand while Rugby St Andrews and Rushden & Higham - 17-7 victors over Stockwood Park - continue to put the pressure on.
In Midlands One East, Kettering gained revenge for their early-season loss at Market Rasen & Louth by beating their rivals 25-7 at Waverley Road.
Wellingborough, who have now had 15 points deducted, sit bottom of Midlands Two East (South) after losing at Bugbrooke,
Despite having the bulk of territorial advantage in the second half they could not stop Bugbrooke’s slick backs running in two late tries to take the points.
The game started poorly for Boro but a Tom Mair penalty and Rob Armstrong try pulled them back into it.
The home side scored their third try the stroke of half-time to turn around 15-8 up.
Wellingborough narrowed the gap to four points with a Mair penalty and had the majority of play after that but failed to score.
Bugbrooke’s backs then ended the contest late on to seal a 32-11 win.
Boro’s Colts did win 12-10 away at Peterborough to maintain their 100 per cent league record.
In Midlands Four East (South), Corby avoided defeat for just the second time this season as they held Stamford Old Boys to a 5-5 draw.
Oundle were in winning form at home to Thorney collecting the honours 27-3 but Old Grammarians slumped to 41-6 loss at Aylestone Athletic.