Donald Cerrone vs Alex Oliveira staredown pic, video from UFC Pittsburgh weigh ins

Ladies and gentlemen, the Donald Cerrone vs. Alex Oliveira welterweight headliner is now official for the upcoming UFC Fight Night 83 event on FOX Sports 1, taking place tomorrow night (Sun., Feb. 21, 2016) inside CONSOL Energy Center in Pittsburgh, Pennsylvania.

Both men came face-to-face earlier today at the conclusion of the UFC Fight Night 83 weigh in event (full results and video replay here), not long after co-main event sluggers Derek Brunson and Roan Carneiro bumped 185-pound bridges for the "Steel City" fight fans.

Have a look:

It’s @CowboyCerrone vs. @AlexCowboy88 tomorrow night at #UFCPittsburgh, pilgrims!https://t.co/1X7ki8At53

— UFC Europe (@UFCEurope) February 20, 2016

And the co-main:

#UFCPittsburgh Co-Main is set in the MW division!@DerekBrunson vs @Jucao
LIVE & FREE on @FS1 9pmET https://t.co/bNhQqhQE29

— UFC (@ufc) February 20, 2016

Nothing left to do now except fight.

MMAmania.com will deliver LIVE round-by-round, blow-by-blow coverage of the entire UFC Fight Night 83 fight card tomorrow night (click here), starting with the Fight Pass "Prelims" matches online, which are scheduled to begin at 6 p.m. ET, and then the remaining undercard balance on FOX Sports 1 at 7 p.m. ET, before the main card start time at 9 p.m. ET, also on FOX Sports 1.

To see who else is fighting at UFC Fight Night 83 click here.