South Africa lock Eben Etzebeth was banned for 12 matches on Thursday after being sent off for an eye gouge in the 73-0 win over Wales last weekend.
The two-time Rugby World Cup winner made contact with the left eye of Alex Mann in the final minute of the season-ending international Test in Cardiff.
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"It didn't look good, it justified a red card," Springbok coach Rassie Erasmus said.
"It was definitely not the way we'd have liked to have ended the game."
An independent disciplinary panel determined that contact with the eye was intentional and a "mid-range" entry point of 18 games was appropriate as a sanction.
Mitigating factors including the player's previous record resulted in the suspension being reduced to 12 weeks.
“South Africa number 19, Eben Etzebeth, appeared before an independent Disciplinary Committee via video link having received a red card for an act of foul play contrary to Law 9.12 in the match between South Africa and Wales on Saturday 22 November 2025," World Rugby's statement said.
“Having considered the Player’s and other evidence and reviewed the footage, and for the reasons set out in the full written decision, the Disciplinary Committee have determined that contact with the eye was intentional and a mid-range entry point of eighteen weeks/matches was appropriate.
"Some mitigating factors, including the Player’s previous record, were applied by the Committee reducing the eighteen week entry point by six weeks to twelve weeks/matches.”
The 34-year-old Etzebeth will be unavailable for his club Sharks in the United Rugby Championship and Champions Cup until the end of March 2026. South Africa do not play again until July next year.
Etzebeth was the third Springbok to receive a red card in four Autumn Nations Series matches.
Franco Mostert was sent off against Italy as was Lood de Jager against France, although Mostert's red was later rescinded.