Wasps centre Lee Thomas has been ruled out for the remainder of the season with a ruptured Achilles tendon.
The 28-year-old, who joined Wasps in the summer from French Top 14 side Lyon, suffered the injury during second half of the 30-23 Aviva Premiership defeat at Exeter at the weekend.
Director of rugby Dai Young told the Wasps website: "We are bitterly disappointed to lose Lee who was really starting to find his feet in a Wasps shirt.
"I thought he was excellent against Leicester and played very well against Exeter until he was forced off and it's a big blow to lose him for so long.
"We really feel for him as I know he was thoroughly enjoying his first few months here but we will have to focus on getting him back fit and ready for next season.
"He is a good character and once he is over the disappointment of being injured he'll be an important guy to have around with all of his experience."