Wasps director of rugby Dai Young hailed Lima Sopoaga as "world-class" after completing a deal to bring the All Blacks fly-half to the Aviva Premiership.
Sopoaga's impending move to the Ricoh Arena was confirmed by Wasps Monday, with the Highlanders playmaker due to arrive in Coventry following the 2018 Super Rugby season. The length of contract has not been revealed by the club but is understood to be two years.
The All Black's arrival raises questions over the future of current Wasps No. 10 Danny Cipriani, whose own deal expires this summer, but Young suggested the chance to sign Sopoaga was too good to pass up.
"When a world-class fly-half became available we jumped at the chance, as that doesn't happen very often," he said in a statement.
"Lima's track record with the All Blacks, Highlanders and Southland speaks for itself, and we believe he will be an extremely good fit both in our side and within the club.
"A big part of my job is to continually find ways to move things forward, both by developing our current players and when the opportunity arises adding to the squad, and I am confident this signing does this."