Cargo has bombed a chance to keep in touch with the Woodbridge Cup top five after squandering a 22-12 lead to go down 25-24 against derby rivals Canowindra last Saturday.
Heading into the long weekend round three points adrift from the top five, the Heelers now find themselves five points back from finals contention after relinquishing a 10-point lead late in the game.
The Blue Heelers are on eight competition points while fifth-placed Canowindra and the fourth-placed Eugowra Gold Eagles are both on 13 points.
In other games, Condobolin took on Trundle Boomers in the western derby, which was played on Friday night.
The Boomers won an entertaining game 34-14 with the Rams. Eugowra, likewise, was pushed hard by the Burrangong Bears but proved too good to solidify a top five spot with a 40-28 win.
Manildra secured a 66-12 win over a disappointing Peak Hill Roosters. Grenfell had the bye.
In league tag, Cargo continued its undefeated run with a 46-4 win over Canowindra, while Condobolin beat Trundle 24-4, Eugowra won 36-0 over Burrangong and Manildra won 44-6 over Peak Hill, Grenfell had the bye.
Manildra and Canowindra were both winners in youth league.