Fans will get their first chance to see Gary Johnson's new summer signings in Saturday's Maunsell Cup Final game against Brackley Town.
Admission prices for the fixture are £5 for adults, £2 for concessions and free for Under-16's.
Northampton meanwhile will begin their Johnstone's Paint Trophy campaign in the opening round after they did not receive a bye to the next stage.
Both Sheffield clubs are among their potential opponents in the 1st round.