One half of that pairing, Chris Hargreaves, faces a late fitness test after suffering a groin injury during Saturday's 2-1 win at Sheffield Wednesday. But Andy Frampton is definitely ruled out with a calf problem.
As well as Hutchinson, 16-year-old Karleigh Osbourne has been added to the squad.
In the first encounter, screened live on television, Conference North club Hinckley held Brentford to a goalless draw, although John Salako did miss from the penalty spot. The winners of the replay will book a third round trip to Luton.