The Clippers decided to bring back Wayns, a former Villanova player, after the team waived him on Monday. He missed the first 33 games of the season with a torn left meniscus.
The 6-foot-2 Wayns will give the Clippers some depth behind Darren Collison, who is starting in place of Paul.
Paul suffered a separated right shoulder in the third quarter of the Clippers' win over the Dallas Mavericks on Friday night. The All-Star, who is averaging 19.6 points and an NBA-leading 11.2 assists per game this season, will be sidelined for up to six weeks, but he does not need surgery.