pacquiao-marquez IV

The same fight that gave fans the KO of the Year and the Round of the Year -- the fourth fight between Manny Pacquiao and Juan Manuel Marquez -- was voted Fight of the Year in the RingTV.com year-end awards poll.

Juan Manuel Marquez's shocking sixth-round KO of arch rival Manny Pacquiao was the resounding choice for Knockout of the Year among fans who voted in RingTV.com's year-end award poll.

Many thrilling rounds were witnessed in 2012 but the fifth round of Manny Pacquiao-Juan Manuel Marquez IV featured two future hall of famers going at it, which enticed fans to vote it Round of the Year on RingTV.com's year-end awards poll.

Manny Pacquiao's religious faith is helping the veteran former champ deal with the most devastating loss of his decorated career, his sixth-round knockout to Juan Manuel Marquez on Saturday.

Read on for all the fan feedback on Juan Manuel Marquez's shocking one-punch KO of Manny Pacquiao that can be contained in one mailbag. Enjoy!

Freddie Roach addressed the media after his star fighter, Manny Pacquiao, was knocked out by Juan Manuel Marquez. Roach spoke about Pacquiao's future and whether he would suggest retirement for the Filipino icon.

Juan Manuel Marquez spoke to the boxing media after his vindicating one-punch knockout of arch-rival Manny Pacquiao. This video and all RingTV videos are now available on your mobile devices.

THE RING editor Michael Rosenthal gives his thoughts on Juan Manuel Marquez's shocking sixth-round KO of arch-rival Manny Pacquiao from the MGM Grand in Las Vegas, the site of the future hall of famers fourth fight.

All the action from the fourth fight in this epic series, ending with Juan Manuel Marquez's sixth-round knockout of Manny Pacquiao.

You can watch two bouts from the non-HBO Pay Per View portion of tonight's Manny Pacquiao-Juan Manuel Marquez IV event, plus the preview show, right here, starting at 4:00 p.m. PT/7:00 p.m. ET.

Manny Pacquiao weighed in at 147 pounds for Saturday night's fourth fight with Juan Manuel Marquez, who checked in at 143 for the pay-per-view showdown at the MGM Grand Garden Arena in Las Vegas. Note: This video can be played on your mobile devices.

Photos from the scales a day ahead of the fourth (and final?) fight between Manny Pacquiao and Juan Manuel Marquez at the MGM Grand.

Manny Pacquiao and Freddie Roach spoke to RingTV's Dominic Verdin about their fourth fight with Juan Manuel Marquez. Pacquiao says he still has "fire." Roach says they welcome the new muscled-up version of Marquez.

Filipino boxers Michael Farenas and Dodie Boy Penalosa Jr. will appear on the undercard of Manny Pacquiao's fourth fight with Juan Manuel Marquez.

Hear what Manny Pacquiao, his trainer Freddie Roach and his arch Mexican rival Juan Manuel Marquez had to say at the recent kick-off press conference for their fourth showdown in Beverly Hills, Calif.

Fans voted the third bout between Manny Pacquiao and Juan Manuel Marquez, which took place on Nov. 12 in Las Vegas, to be the "Event of the Year" in RingTV.com's 2011 readers' choice award polls.

Fans voted Manny Pacquiao's majority decision victory over rival Juan Manuel Marquez on Nov. 12 as the "Robbery of the Year" in RingTV.com's 2011 readers' choice award polls.