St George Illawarra Dragons sit third in the ladder after Wests Tigers consigned them to back-to-back defeats.
Amanaki Mafi is due to appear in court on Monday after an alleged altercation with Rebels team-mate Lopeti Timani in Dunedin.
The Rebels were left to rue their earlier defeat as the Sharks booked a Super Rugby quarter-final with the Crusaders.
Widnes Vikings are without a Super League win for almost four months after they were edged out by Hull KR.
South Sydney Rabbitohs remain top of the ladder after another commanding performance against Canterbury Bulldogs.
The Rebels fell short in a pulsating encounter with the Highlanders and need a favour from the Jaguares to seal a place in the last eight.
Kevin Sinfield was able to arrest Leeds Rhinos' Super League slump on Friday, but they remain outside the Super 8s positions.
Matt Moylan came back to haunt Penrith Panthers as he scored one try and assisted another in Cronulla Sharks' away win.
A Super Rugby quarter-final preview went the way of the Chiefs, though their win was not enough to leapfrog Hurricanes in the table.
Jack Wighton's ban has been increased from six to 10 games by the NRL, leading to angry response from Canberra Raiders.
Josh Morris is the latest high-profile player who has agreed a deal to leave the Bulldogs as they attempt to comply with the salary cap.
Wales will be coached by Wayne Pivac when Warren Gatland's lengthy tenure ends after next year's Rugby World Cup.
Jack Wighton has been given a six-match ban by Canberra Raiders, but the club have pledged to continue working with the player.
Brad Fittler thinks Cameron Smith knew what was coming in the State of Origin series when he ended his representative career.
Having missed New Zealand's series win over France, Brodie Retallick is back in the Chiefs team for Friday's match against the Hurricanes.
Huddersfield Giants and Catalans Dragons are both well placed for the Super 8s with two games of the Super League season remaining.
Blake Austin will join Warrington Wolves from next season, signing a three-year deal with the Super League club.
Billy Slater's State of Origin career ended with a win, as New South Wales fell short of a series whitewash over Queensland.
Sbu Nkosi will miss the rest of the Super Rugby with an ankle injury and is a doubt for South Africa's Rugby Championship campaign.