Bath have signed Argentina international loose-head prop Lucas Noguera on an undisclosed-length deal.
The 24-year-old has played 43 Tests for the Pumas, including matches against England and Ireland in November.
Meanwhile, Australia hooker Nathan Charles has returned to Bath from Wasps, ending his after providing cover for injuries.
Bath have also agreed an extended contract for 34-year-old utility back James Wilson to the end of this season.
Wilson had initially arrived on a three-month deal from Northampton Saints
On the arrival of former Jaguares man Noguera, Bath’s director of rugby Todd Blackadder said: “He’s a very talented young prop who has already gained a huge amount of experience on the international stage.”