Four Warriors are in action this weekend as a busy summer of international fixtures continues.
Jack Singleton takes his place on the bench for England as they face Argentina on Saturday (20.15pm BST) at Estadio del Bicentenario.
The hooker is set to win his first England cap after making his debut for his country in the non-cap international against the Barbarians in May.
Meanwhile Francois Hougaard is named as a replacement for South Africa as they play the first of their three test Castle Lager Incoming Series against France in Pretoria on Saturday (4pm BST).
Hougaard has made 39 appearances for his country and scored five tries.
Elsewhere Joe Taufete’e takes his place on the bench for USA as they host Ireland at the Red Bull Arena in New Jersey on Saturday (10pm BST).
USA take on Ireland and Georgia before facing Canada in a Rugby World Cup 2019 qualifier at the end of the month.
Ben Te’o is also in action this weekend as the British & Irish Lions line up against Super Rugby outfit the Crusaders in Christchurch on Saturday (8.35am BST).