Wasps prop Pat Barnard has been ruled out of action for six months after rupturing his Achilles tendon in the match against London Irish on Sunday.
Barnard was forced off against London Irish
The England Saxons player had surgery to repair the injury on Tuesday.
Wasps director of rugby Ian McGeechan said: "He was just finding his full fitness and playing well when this injury happened.
"We really feel for him, having invested so much time and effort and not being able to make the most of it."