Jackson Hastings, James Gavet and Riley Dean were given 14-day bans and fined by the Rugby Football League.
Catalans Dragons crushed Wakefield Trinity but Warrington Wolves were made to work hard against Huddersfield Giants.
Castleford Tigers forged a 14-point lead but an Israel Folau-inspired Catalans Dragons ran out 40-14 winners.
Steve Price has firmly denied talk of marquee signing Gareth Widdop leaving Warrington Wolves to return to the NRL.
With the Challenge Cup redrawn due to the COVID-19 pandemic, holders Warrington Wolves will face St Helens in a repeat of the 2019 final.
With Greg Inglis returning to rugby league, Queensland could be prepared to welcome him back.
Greg Inglis retired from rugby league in April last year but will relaunch his career in Super League with Warrington Wolves in 2021.
There was no date specified over a potential Super League return following a meeting between clubs and RFL officials.
Warrington Wolves won 38-4 at Hull FC on Thursday it what turned out to be Lee Radford's final game in charge of the hosts.
Ben Murdoch-Masila's stay in Super League will come to an end after the 2020 season as he returns to the NRL with New Zealand Warriors.