Huddersfield suffered a surprising 30-29 home defeat by Beverley in a major blow to their title aspirations.
Richard Bussey opened the scoring with a try a and Phil Duboulay converted from wide out and soon kicked a penalty.
Beverly were 20-0 up in 20 minutes as Tomasi Tanumi then broke through and Duboulay added the conversion and a second penalty.
Huddersfield suffered two yellow cards but prevented any more Beverley scoring before the interval and regrouped and upped their game after the break.
Prop Laurence Sanderson got his side back into it with a try converted by full-back Tom Hodson, who kicked a penalty to make it 23-10 after another penalty from Duboulay.
Huddersfield camped on the Beverley line but Holland broke free from a scrum, resulting in Bussey crossing and Duboulay converting.
Beverley lost Pickets to a red card for an illegal tackle and James Munro was binned and Joel Hinchliffe and Michael Clarke added further tries for Huddersfield before Hodson crossed to make it 30-29.
Huddersfield, who had won the earlier fixture at Beverley with a last-gasp score, had the chance again but their last kick at goal fell short.
The wing pairing of Kobi Gyasi and Karl Bradshaw shared five tries as Morley demolished visitors Westoe 63-24.
Three tries from the wide men and one by flanker Andy Finn saw Morley lead 30-10 at half-time.
Full-back Jack Moon, centre Bradley Marshall and prop Alan Benn scored in the second half, leaving Gyasi to complete a hat-trick and Bradshaw a brace. Captain Mark Chester finished with 18 points from the boot.
Sandal were 22-14 winners at Rossendale, the side just below them in the table.
Rossendale led with a converted interception try but centre Tom Burns ran in between the posts from 40 metres for full-back James Ellar to convert.
Rossendale went ahead again with their second try but Sandal led 17-14 at the break following a penalty by Ellar and a neatly worked try from winger Simon Frewin, Ellar converting.
Up the slope in the second half, Sandal went further ahead through fly-half Joe Bedford.
Bradford and Bingley increased the tempo after the break but the damage had already been done and they lost 26-5 at home to Sale.
The visitors were already 26-0 ahead at the interval and obviously believed the job was done.
The Bees reaped reward in the 52nd minute when Dave Barden burrowed over and they continued to press but the Sale defence remained equal to everything that the Bees could throw at them.