HITC Sport understands Bradford have seen three bids for the striker rejected.
Kristian Dennis has thrived in a struggling Chesterfield Town side this season - but is he good enough for Sunderland?
HITC Sport understands a host of clubs are tracking Chesterfield hit-man, including Burton, Charlton and Bradford.
HITC Sport understands Chesterfield have won the race for the non-league striker.
HITC Sport understands the Macclesfield star is the subject of two bids from Football League clubs.