Sheffield Tigers fought back to get their National Two North campaign off the ground with a 23-20 win over Preston Grasshoppers at Dore Moor.
Grasshoppers grabbed an early 17-0 lead before a penalty goal by Tom Outram and a try from second row Richard Joel put Tigers back in it.
They equalised early in the second half when No 8 Nick Pearson crashed over for a try which Outram converted, and two more penalties by Outram - a capable stand-in for injured Jonny West - put them ahead.
Sheffield won 34-5 in their North One East clash at Cleckheaton.
The Abbeydale side scored tries from stand-off Mark Ireland, centre Chris Dale, prop Will Bennett and winger Alex Hill.
Ireland converted all four to add to two early penalty goals.
Promoted Barnsley were left reeling from a 33-10 defeat by Scarborough in their Yorkshire One match at Shaw Lane.
Barnsley did not score until just before half time when Aaron Gaunt touched down, and six minutes into the second half they added another by Andrew Appleyard.
Dinnington went down 36-14 at Pontefract. Flanker Ryan Donnelly scored their only try in the second half, and Chris Williams landed a hat-trick of penalties.
Wath on Dearne suffered their first loss in Yorkshire One as they took on Ilkley.
It took Wath a while to get into the game; Ilkley putting two tries over before they opened their account.
Centre Shane Brown got his team back into the game just before half time.
After the break, discipline proved to be a problem for Wath -at one point they found themselves down to 13 men.
Scores from Matt Burrows and Shane Brown saw them lose 37-24.
Sheffield Medicals, promoted twice in two seasons, dropped their first point in Yorkshire Two when they were held to a hard-fought 19-19 draw at home to Hullensians.
No 8 Alex Jackson scored both the Medics’ tries, with Ed Farmer kicking three penalties which saved the day as Hull ran in three tries.