Rapava-Ruskin is a key member of Gloucester's squad
Rugby World Cup
Who is Zach Mercer: Ten things you should know about the England No 8
Mercer was named in England's 2023 Rugby World Cup training squad
Who is Joe Marler: Ten things you should know about the England prop
Marler has already represented England at two World Cups
Who is Tom Pearson: Ten things you should know about the England back-row
Pearson is bidding to be a part of England's Rugby World Cup squad in 2023
Who are South Africa playing at Rugby World Cup?
South Africa are the defending champions for the 2023 tournament
Rugby World Cup citing commissioners revealed
World Rugby made the announcement on 7 June
Are USA at Rugby World Cup 2023?
The team have been at eight World Cups, but will they be at the tournament being held in France?
Who is Shalva Mamukashvili: Ten things you should know about the Georgia hooker
Mamukashvili will be a key member of the Georgia squad at the World Cup
Who is Mihai Macovei: Ten things you should know about the Romanian captain
Mihai Macovei is an icon and is one of the most experienced players in the sport
Who is Mike Tadjer: Ten things you should know about the Portuguese hooker
Mike Tadjer is a powerful force in the front row