Rory MacDonald vs. Demian Maia added to UFC 170

An important welterweight fight has been added to UFC 170.

Rory MacDonald vs. Demian Maia will take place on the Feb. 22 card in Las Vegas, the promotion announced Friday. News of the fight being in the works was first reported on FOX Sports 1's "UFC Tonight."

Both MacDonald (15-2) and Maia (18-5) are coming off loses. MacDonald dropped a unanimous decision to Robbie Lawler at UFC 167 in November, while Maia lost a split decision to Jake Shields at UFC Fight Night 29 in October. MacDonald's loss snapped a fight-fight winning streak, while Maia's streak ended at three wins in a row.

UFC 170, which will take place at the Mandalay Bay Events Center, will be headlined by Rashad Evans vs. Daniel Cormier.