Later this evening (Dec. 7, 2012) at the MGM Grand Garden Arena in Las Vegas, Nevada, boxing superstars Manny Pacquiao and Juan Manual Marquez will weigh-in to make their fourth -- and hopefully final -- showdown official.

MMAmania will have LIVE coverage of the event, which is set to begin at 6 p.m. ET on HBO. In addition, we have a video player embedded below that will stream the Pacquiao vs. Marquez 4 scale-tipping extravaganza in real-time.

In addition to the main event, the card will also feature the return of Yuriorkis Gamboa, who faces Filipino knockout artist Michael Farenas at super featherweight. In addition, Miguel Vazquez will look to hand Mercito Gesta the first loss of his career one weight class north, while Javier Fortuna and Patrick Hyland try to take each other's "0s" one weight class south.

Complete Pacquiao vs. Marquez 4 weigh-in results:

147 lbs: Manny Pacquiao (147) vs. Juan Manuel Marquez (143)

130 lbs: Yuriorkis Gamboa (130) vs. Michael Farenas (130)

135 lbs: Miguel Vazquez (135) vs. Mercito Gesta (134)

126 lbs: Javier Fortuna (126) vs. Patrick Hyland (126)

Pacquiao vs. Marquez 4 weigh-in LIVE stream video:

Remember, too, that MMAmania.com will deliver LIVE coverage of Pacquiao vs. Marquez 4 tomorrow night (Sat., Dec. 8, 2012), starting with the HBO PPV broadcast at 9 p.m. ET.

See you then!