According to English publication The Times, the 26-year-old has signed a deal with the club who look to add to their lineup which already includes Frank Halai, Christian Wade and Elliot Daly.
Wasps have been on the lookout for a replacement at 15 as Kiwi fullback Charles Piutau leaves for Ulster before the start of the new season.
Wasps have already secured the high-profile signings of Kurtley Beale and Danny Cipriani. Le Roux has turned out for the Springboks on 34 occasions. - African News Agency (ANA)
Original source: Is Willie Wasps bound?