Wasps are the only English club to be guaranteed home advantage for the Champions Cup round of 16 in a revised format for the knockout phase.
There were a host of standout performers across the Premiership and PRO14 as the Six Nations took a weekend off.
Scarlets kept alive their Champions Cup qualification hopes with a bonus-point win over Benetton while Ospreys edged past Zebre.
Team news and the players looking to impress in Saturday's Guinness PRO14 action.
Wayne Pivac is under pressure to deliver performances after Wales slipped to seven defeats out of 10 Tests in 2020.
Ireland prop Tadhg Furlong made his return from injury in Leinster's 52-25 PRO14 victory over Scarlets.
Welsh rugby has secured a £13.5m funding package from the government to help soften the economic impact of the COVID-19 pandemic.
Wayne Pivac knows that whatever allowances were made for Wales' poor performance in 2020 will not extend into this year's Six Nations.