Simon Davey has continued his plans for life outside League Two by letting 17 players leave Darlington.
Darlington boss Colin Todd has offered deals to defenders Paul Arnison and Mark Bower.
Stuart McCall has begun preparations for next season by offering new deals to a number of his key men.
Asa Hall's late goal earned Luton a dramatic 2-1 win over relegation rivals Grimsby at Kenilworth Road.
Luton have extended Mark Bower's loan deal at Kenilworth Road for a second month.
Bradford defender Mark Bower has joined League Two strugglers Luton on a one-month loan deal.
Bradford defender Matt Clarke has been ruled out until the end of the month.