The European Champions Cup and Challenge Cup have been temporarily suspended after the French authorities ruled the participation of Top 14 clubs to be too much of a public health risk.
England wing Jonny May will leave Leicester Tigers and return to Gloucester at the end of the Premiership season.
Michael Fatialofa has walked unaided as he continues to recover from the serious injury he suffered in January, with his wife claiming it is a "miracle".
Curtis Rona scored a pair of tries as London Irish secured a 29-15 derby win at Harlequins, while Premiership high-flyer Sale Sharks was brought down to earth by beleaguered Saracens.
Premiership leader Exeter Chiefs returned to winning ways with a battling 26-15 triumph at Gloucester on Saturday (AEDT).
Saracens could face more punishment after Titi Lamositele played in a crucial European Champions Cup victory over Racing 92 last month a day after his work permit expired.
Sergio Aguero struck twice, while Vincent Kompany, Fernandinho and Gabriel Jesus were also on target as Manchester City thumped Watford 5-0.