CLEETHORPES RUFC slipped to a second consecutive defeat after losing at Lucarly's.
The Meggies, now fourth in the Midlands 4 East (North), lost 18-16 to Ashfield.
Meanwhile, Grimsby made it back-to-back wins at Springfield Road with a 12-7 triumph against Southwell.
The Blues once again bounced back from a defeat on the road in the Midlands 3 East (North) with a home win.
The match was another close affair involving Grimsby – three of the Blues' four games so far this season have seen the sides separated by five points or less.
Market Rasen & Louth suffered a disappointing home defeat against Loughborough.
The Red and Greens were aiming for victory against a team near the foot of the Midlands 1 East table. But Loughborough won 24-22, their first victory this season.
Full rugby round-up, including reports, tables and pictures, in Thursday's Grimsby Telegraph