Sale director of rugby Steve Diamond paid tribute to Danny Cipriani after he helped to inspire his side to a 14-10 Aviva Premiership win over Saracens.
Saracens lock George Kruis is available for the start of England's RBS 6 Nations campaign after receiving a three-week suspension for a dangerous tackle.
Saracens second row George Kruis will face a disciplinary hearing on Tuesday evening after being cited for a dangerous tackle in Friday's 24-23 defeat at Gloucester.
England suffered what appeared to be a major pre-RBS 6 Nations injury scare when number eight Ben Morgan was carried off during Gloucester's dramatic 24-23 Aviva Premiership victory against Saracens at Kingsholm.
Saracens players involved in Saturday's Aviva Premiership victory over London Irish wore sensors designed to measure the force and direction of impacts to the head.
Wasps' recent improvement continued with a win over Gloucester while there were also post-Christmas Aviva Premiership wins for London Irish, Bath, Leicester, Saracens and Northampton.
Owen Farrell scored a try and kicked six points on his return to the Saracens side as they kept themselves in European Rugby Champions Cup contention with a 19-15 triumph over Sale Sharks.