Scotland second row forward Dale Ferguson has been banned for two matches and will miss Friday's World Cup quarter-final with New Zealand.
The Huddersfield player was placed on report by referee Thierry Alibert midway through the first half of Scotland's 22-8 win over USA at Salford last Thursday for a "grapple" tackle on hooker Tui Samoa.
Ferguson was found guilty by an international match review panel of a grade B dangerous tackle and has until 11am on Tuesday to accept the suspension or lodge an appeal.
USA hooker Joel Luani is facing a one-match ban after being found guilty of a dangerous throw in the same match but he plans to contest the charge at a hearing on Tuesday.
If he fails to overturn the suspension, he will miss America's quarter-final against Australia at Wrexham on Saturday afternoon.
England second rower Ben Westwood was cleared of any wrongdoing after being put on report for allegedly using his forearm during his side's 34-12 win over Fiji in Hull on Saturday.
Westwood is free for England's quarter-final at Wigan on Saturday night but Newcastle Knights forward Korbin Sims will miss Fiji's last-eight clash at Warrington on Sunday after he was given a two-match suspension for a grade B dangerous throw during the defeat to England.
Meanwhile, Tonga winger Jorge Taufua received a one-game ban for a grade A dangerous throw during his side's 16-0 win over Italy. He will serve the suspension for his club Manly Sea Eagles after the Tongans were eliminated from the World Cup.