Featherstone Rovers kept the pace with Toulouse after a highly-impressive 44-0 win over an in-form Bradford Bulls side.
Tries from Connor Jones, Craig Hall, Gareth Gale, Will Dagger on his second debut, Thomas Minns, Tom Holmes, Dean Parata and Callum Field won the game for the Rovers.
Only goal difference percentage is keeping Featherstone off the top of the table.
As for Bradford, their impressive seven game winning streak came to an end at the Millennium Stadium.
Featherstone Rovers: Will Dagger, Craig Hall, Thomas Minns, Josh Hardcastle, Gareth Gale, Tom Holmes, Nu Brown, Darcy Lussick, Connor Jones, Brad Day, James Lockwood, Frankie Halton, Craig Kopczak.
Subs: Dean Parata, Junior Moors, John Davies, Callum Field.
Head Coach: James Webster.
Tries: Jones (13), Hall (21), Gale (22), Dagger (34), Minns (36), Holmes (66), Parata (73), Field (76)
Goals: Hall (13,34,36,66,76), Gale (73)
Bradford Bulls:Joe Brown, Reece Hamlett, Ross Oakes, Rhys Evans, David Foggin-Johnston, Brandon Pickersgill, Jordan Lilley, Steve Crossley, Thomas Doyle, Ben Evans, Brad Gallagher, Brad England, Sam Hallas.
Subs: Joe Burton, Ellis Robson, Ebon Scurr, Anthony Walker.
Head Coach: John Kear.