MacDonald tapped out Daley with a second round, rear-naked-choke, and in doing so, scored his first victory since 2014.
The Canadian fighter was fighting for the first time since last June, when he lost via decision to Stephen Thompson. Following the fight, MacDonald entered free agency, and the renowned welterweight signed a multi-fight deal with Bellator.
Here are the complete results for Bellator 179, which took place in London, England (via MMA Junkie):
Rory MacDonald def. Paul Daley via submission (rear-naked choke) R2, 1:45
Linton Vassell def. Liam McGeary via submission (arm-triangle choke) R3, 2:28
Cheick Kongo def. Augusto Sakai via split decision (28-29, 29-28, 29-28)
Alex Lohore def. Dan Edwards via TKO (punches) R2, 0:56
Kevin Ferguson Jr. def. D.J. Griffin via TKO (punches) R1, 3:40
Stav Economou def. Dan Konecke via submission (guillotine choke) R1, 1:05
Amir Albazi def. Jamie Powell via unanimous decision (30-25, 30-26, 30-26)
Nathan Jones def. Umer Kayani via submission (rear-naked choke) R1
Fabian Edwards def. Rafal Cejrowski KO (flying knee) R1
Jeremy Petley def. Chase Morton via unanimous decision (29-28, 30-27, 30-26)
Mike Shipman def. Marcin Prostko via TKO (knees) R1, 2:39
Salih Kulucan def. Diego Barbosa via submission (heel hook) R1, 2:18