Wasps sign Italy and former Exeter centre Michele Campagnaro on a deal until the end of the season.
Saracens and Bristol pick up wins in the Premiership Rugby Cup to keep their semi-final hopes alive.
Referee Sara Cox says she "enjoys" being an inspiration to others after making English rugby union history on Sunday.
Sara Cox becomes the first woman to referee a top-tier English match in Wasps' Premiership Rugby Cup win over Northampton.
Audio & Video
Leinster fly-half Johnny Sexton says Wasps will believe they are capable of repeating their 2015 pool win when they travel to face the Heineken Champions Cup holders next month.
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