Bellator 173: Liam McGeary vs. Brett McDermott took place on February 24th, 2017 with a catchweight bout between former Bellator MMA light heavyweight champion Liam McGeary taking on Brett McDermott. And the co-main event of the evening featured rising prospect James Gallagher in action against Kirill Medvedovsky.
This show is a cross-brand card which also served as BAMMA 28.
- The original main event was to be Liam McGeary vs. Chris Fields but Fields withdrew from the card due to injury. It was later announced that Vladimir Filipovic would replace Fields but due to visa issues Vladimir Filipovic pulled out as well. Brett McDermott would later fill in and fight Liam McGeary.
|Weight Class||Official Match Result||Victory Method||Round & Time|
|Catchweight (217 Ibs.)||Liam McGeary Defeated Brett McDermott||TKO (Doctor Stoppage)||2nd Round | 1:06|
|Featherweight||James Gallagher Defeated Kirill Medvedovsky||Submission (Rear-Naked Choke)||1st Round | 2:53|
|Women’s Catchweight (140 Ibs.)||Iony Razafiarison Defeated Sinead Kavanagh||Unanimous Decision (30-27, 30-26, 30-25)||3rd Round | 5:00|
|Welterweight||Alex Lohore Defeated Colin Fletcher||Submission (Rear-Naked Choke)||2nd Round | 2:42|
|Featherweight||Shay Walsh Defeated James McErlean||Unanimous Decision (29-28, 29-28, 29-28)||3rd Round | 5:00|