Huddersfield managing director Richard Thewlis said the club “jumped at the chance” to sign forward Chris McQueen.
The 33-year-old back-rower has joined the Giants on a deal until the end of the season following his release from NRL side Wests Tigers.
McQueen made six appearances for Queensland between 2013-14 and earned one cap for England in 2017 via the family heritage rule.
Thewlis said: “The injury scenario is quite alarming and has caused concern to everyone, thus when we heard that Chris was looking for an opportunity we jumped at the chance.
“His record speaks for itself and the agreement we have is simply to the end of the year to enable him to showcase his undoubted abilities to us and the Super League as a whole.
“He is keen to stay in the UK longer but at this stage, given so many issues that we are all aware of around the game, the three-month trial period seems a perfect fit for everyone.
“He arrived into the UK today and will watch our game live at Headingley subject to a few clearances being met, but the aim is for him to be available for squad selection the week after.
“We should also thank the Wests Tigers club for their assistance in allowing Chris to come across and leave them early to pursue his aim of a permanent Super League contract.”
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