Leeds have given a new contract to long-serving prop forward Ian Kirke.
Hull KR produced a dominant second-half display to end a three-match losing run in style with a 44-18 win over Wakefield.
St Helens halted their five-match losing run by coming from 16-0 down to beat Super League champions Leeds 30-22.
Pat Richards, Sam Tomkins and Josh Charnley all claimed hat-tricks as Wigan destroyed London 64-6 at the Stoop.
Richard Whiting scored two second-half tries as Hull condemned third-placed Warrington to a shock 26-16 home defeat.
Lee Briers has not ruled out coming out of retirement to play for Wales in this year's World Cup - but admits he "can't see it".
Warrington captain Adrian Morley is looking forward to making his comeback this weekend against either Hull or Swinton.
England forward Gareth Hock has been given a four-match ban for making deliberate physical contact with a referee.
Salford's new owner Marwan Koukash is to change the club's name from the City Reds to the Red Devils next season.
Salford head coach Brian Noble has confirmed the appointment of former Castleford full-back Stuart Donlan as his assistant.
Round-up: Lee Briers made a top comeback to help keep Challenge Cup holders Warrington on course for another trip to Wembley.
Catalan Dragons progressed to the quarter-finals of the Challenge Cup.
Huddersfield knocked Super League champions Leeds out of the Challenge Cup in a pulsating fifth-round tie on Saturday.
The London Broncos moved into the last eight of the Tetley's Challenge Cup by beating Bradford Bulls 25-16 at the Stoop.
Hull have given 20-year-old full-back Jamie Shaul a new two-year contract.
England rugby league head coach Steve McNamara is planning for home World Cup glory.