Pacquiao vs. Marquez 4 Fight Replay: Video Highlights, Results, Round Play-by-Play Recap, Prize Contracts [WATCH FULL]

Professional boxers Manny Pacquiao and Juan Marquez faced off in the ring on Saturday, Dec. 8 at MGM Grand in Las Vegas. This is the fourth time the mixed martial arts (MMA) duo has met in the ring, with Pacquiao winning the two previous meetings. This time around, Marquez defeated Pacquiao via knockout at 2:59 minutes of round 6. Continue reading for video highlights of the fight, as well as round-by-round recaps and results.

Juan Manuel Márquez Méndez (born August 23, 1973 in Mexico City, Mexico): "A Mexican professional boxer and the current WBO light-welterweight champion. He is the 1st Mexican-born boxer to become a 5-division world champion, winning eight world titles in five different boxing weight classes."

Emmanuel "Manny" Dapidran Pacquiao (born December 17, 1978 in Kibawe, Bukidnon, Philippines): "A Filipino professional boxer and politician. He is the first eight-division world champion, in which he has won ten world titles, as well as the first to win the Lineal Championship in four different weight classes."

According to the Bleacher Report, "Pacquiao's contract with the Nevada Athletic Commission for this fight is $8,595 million. Marquez's contract is quite a bit smaller, but he's still taking away a guaranteed $3 million." Pacquiao is among one of the highest-paid athletes in the world, coming in behind another professional boxer, Floyd Mayweather.

(Related News: Did pop star Justin Bieber totally bash Pacquiao's knock out on Instagram? Read more on that here).

Fight play-by-play from MMA Fighting's Luke Thomas:

Round 1: Pacquiao, as expected, opens as the aggressor. Marquez and Pacquiao pawing with jabs and Pacquiao lands a very good left. Another good left and they're trading shots. Another good left and uppercut by Pacquiao.

MMA Fighting scores this round 10-9 Pacquiao.

Round 2: Marquez leans in on a left hook and misses. Pacquiao is pressuring, but not overly so. Marquez is landing on the inside, but so is Pacquiao. Another good left by Pacquiao and another. That was hard. Good left hook for Marquez.

MMA Fighting scores this round 10-9 Pacquiao.

Round 3: Marquez wings a left hook and it's blocked. PAcquiao is aggressing, but a little more measured. Right and a left for Pacquiao lands. Good left to the body for Marquez. And another. Huge overhand right floors Pacquiao. That's a real knockdown. Pacquiao pushing forward, but no they're swinging in the middle.

MMA Fighting scores this round 10-8 Marquez.

Round 4: Pacquiao still aggressing, but so far nothing major in this round. Both fighters trade lead hands. Pacquiao pushing in, but eats a counter shot from Marquez. Good, short punches inside by the Filipino. The fighters again trade shots in the middle, but Marquez gets the better of them generally speaking.

MMA Fighting scores this round 10-9 Pacquiao.

Round 5: Good left from Pacquiao as he scores the first shot of the round. Left hand drops Marquez and that's a knockdown. Pacquiao eats another shot, but this is still his round...so far. Pacquiao eats a left but he he's still pushing forward. This is incredible. These two are eating what can only be described as unreal.

MMA Fighting scores this round 10-8 Pacquiao.

Round 6: A Manny flurry lands hard, but Marquez responds with a left of his own. Pacquiao lands repeatedly with punch combinations and then angle cuts. Pacquiao really putting the pressure on Marquez trying to put him against the ropes. Big left partially wobbles Marquez until he hits Pacquiao with a MONSTER left that puts Pacquiao down. He is out COLD. Unbelievable. Marquez has KO'd him flat cold.

Juan Manuel Marquez def. Manny Pacquiao via KO at 2:59 of round 6.