The players will be back in time to play against the Saracens.
England Manager Eddie Jones has choosen five Leicester Tigers players for his squad for an England training camp.
Joe Heyes, Freddie Steward and George Martin are in the group alongside senior players Ellis Genge and Ben Youngs.
Manager Eddie Jones said: “This is an exciting squad made up of experienced players and young guys who did well in the summer and have earned their place again. We have five campaigns now until the 2023 World Cup so each one counts, and this is a chance for this 45 to impress the new coaching staff.”
The 45-man team will get together in London for a training camp which starts on Sunday.
The players will be back to the club for their match against Saracens.
There are eight uncapped players named in the squad while Steward and Heyes are among nine who made their debuts in England’s summer series.