A dominant first-half display from Warrington Wolves saw them blow struggling London Broncos away on the road on Saturday.
Leeds Rhinos, St Helens and Wigan Warriors all enjoyed momentous victories in Super League on Friday.
Castleford Tigers head coach Daryl Powell says he has unfinished business at the Super League club after extending his deal until 2022.
Darnell McIntosh played a starring role as Huddersfield Giants ended a four-game losing streak with victory at Salford Red Devils.
Bryson Goodwin is one appearance away from reaching 100 for South Sydney Rabbitohs ahead of his return from Warrington Wolves.
Castleford will have Sosaia Feki in their ranks for next season after signing the winger from NRL side Cronulla-Sutherland Sharks.
Leeds Rhinos won their first game without Kallum Watkins, defeating Catalans Dragons 31-12 at Headingley on Sunday.
Rhyse Martin has arrived from Canterbury Bulldogs as Leeds Rhinos' third signing of the week.
Warrington Wolves looked set to close the gap on Super League leaders St Helens, but Jonny Lomax inspired his side to yet another victory.
Joe Westerman finished on the losing side but emerged as a hero of the Hull derby in Super League.