England lock Ollie Chessum will return to Leicester Tigers' starting XV on Sunday as his side host Saracens in the Gallagher Premiership.
England captain Maro Itoje will return to captain a Saracens side containing four of his international team-mates during the Guinness Six Nations when they host Harlequins in the Gallagher Premiership on Saturday.
The Bears have retained the services of the prolific try-scoring hooker.
The Connacht flanker is settled far from his native New Zealand as he enters the make-or-break part of his Irish stay.
Harlequins said goodbye to Joe Marler and their reputation as one of the Gallagher Premiership’s meanest defences this season as irresistible Bristol stormed The Stoop 48-24.
Still at the top of his game, the power-packed Connacht and Ireland midfielder could yet have a novel positional switch in him
Round six of the Gallagher Premiership promises to deliver another thrilling weekend of action, with teams looking to solidify their positions ahead of a break before the Test rugby returns in November.
Benhard Janse van Rensburg and Pacific Island duo, Fijian Kalaveti Ravouvou and Samoan international Steven Luatua, have recovered from injury to hand Bristol Bears boss Pat Lam a triple boost ahead of Friday night's visit by Northampton Saints.