Some heavyweight vets will headline the UFC’s return to Halifax. Officials today announced former champion Junior Dos Santos (18-4 MMA, 12-3 UFC) will rematch Stefan Struve (28-8 MMA, 12-6 UFC) in the UFC Fight Night 105 main event. UFC Fight Night 105 takes place Feb. 19 at Scotiabank Centre in Halifax, Nova Scotia, Canada. The rare Sunday card airs on FS1 following early prelims on UFC Fight Pass, though the bout order hasn’t been finalized.