The event takes place May 19 inside SSE Arena in London, England.
MacDonald signed with Bellator in August after successful, yet non-title donning, run in the UFC. The 27-year-old owns an impressive 18-4 professional record, but is looking to rebound from two straight losses.
Daley, meanwhile, is looking to build off last month’s highlight reel flying knee KO of Brennan Ward. He has won six of his past seven fights, with five of those victories coming via some form of knockout.
Paramount Network, formerly known as Spike TV, will broadcast the main card in America.
No other fights have been reported for the event.