Manny Pacquiao wins unanimous decision over Rios

Bob Velin | USA TODAY Sports

Eight-division world champion Manny Pacquiao returns to the ring Saturday for the first time since his shocking sixth-round knockout by Juan Manuel Marquez last December.

Pacquiao and his trainer, Freddie Roach, hope to answer questions about the 34-year-old Filipino's ability to come back from a brutal KO that left him out cold for more than 2 minutes. His opponent is Brandon Rios, an all-action fighters also coming off a loss but six years younger than Pacquiao, with an iron chin.

USA TODAY will bring you round-by-round updates of the HBO pay-per-view fight card in Macau, China.

Pacquiao wins a unanimous decision, his first win in two years. Rios won only three rounds from the judges. Pacquiao outlanded Rios in power punches 223-113,

Round 12: Hard left hook, right uppercut by Pac. He's punishing Rios and making him look slow, which is is compared to the Filipino. It's over. And if Pacquiao loses this time, well, it would be a true travesty.

Round 11: Pac still as quick as he was early on. Rios' face showing the wrath of Pacquiao. Blood streaming from his left eye. Pac looking better than he has in years. Rios connects with a right. Rios needs a KO, but he can't catch Pac to get one. We're down to the final round. Shutout for Pac so far.

Round 10: Rios warned early on for a low blow. Manny comes back with his combos. He's just wearing Rios out with an onslaught every round. Every time Rios comes forward, Manny cuts him off with a straight left. Again Rios has no answers. 10-0 for Pacquiao.

Round 9: Pac comes right back with teh quick lefts, combo by Pac lands three of about six shots. Manny looks like he's seeing the guy whose team made fun of his trainer Freddie Roach. He's going after Rios. Manny left, and Rios counters with a hard right. A closer round but still a Pacquiao round.

Round 8: Manny going with straight lefts to the body. Rios throws a hard jab, which is all he can muster and catch Pac with. Pac being very careful not to get caught, and ends the round with two hard rights. Pac 8-0. Rios needs a KO at this point.

Round 7: Manny putting on an absolute clinic. Rios has no answers so far. Both of his eyes are swelling up and his left eye is bleeding. Wicked combo by Pacquiao. Rios connects with a hard right, one of the few punches he's hitting tonight. Another combo by Pacquiao and Rios feels it. Pac knows his advantage of quickness is his biggest weapon. 7-0 Pacman. Rios cut over his left eye.

Round 6: Pacquiao starts with a straight left. Rios finding that at 147, his power might not be translating. None of Rios' punches seem to be landing flush. Pac picking him apart with his lightining-quick left. Low blow by Rios goes unwarned. Rios connects with a left hook just before the bell. But that's about it. Pacquiao winning every round. At least Manny got through the sixth round. He's looking very skillful.

Round 5: Both fighters hold and hit behind the head. Pac connects with a hard straight left. Pac is wearing Rios down greatly outworking his opponent. Rios holds again. Rios getting hit at will. Another big round for Pacquiao. He's up 5-0. Pacquiao greatly outworking Rios. Rios might have to change his gameplan.

Round 4: More combos by Pac. Slips a wild right by Rios, showing his great quickness advantage. Rios connects with a right to the jaw. Ref warns Rios for hitting in the back of the head. Nice straight left by Pacquiao. There's a big difference in boxing skills showing here. Pacquiao punctuates the end of the round with a left hook to the head. Another Pacquiao round.

Round 3: Pacquiao precision punching, Rios misses with a wild right. Pac moving deftly, with excellent footwork. Pac throwing left and right. Rios walks him into the ropes, but Pac answers with his own combination. Rios ends the round with a good body shot, but it's another round for Pacquiao.

Round 2: Manny attacks the body. Rios returns the favor. He's getting more aggressive as the round goes on. Pacquiao moving, slipping punches. Manny throws uppercut. Manny throwing combos at will. Rios again returns the favor with a right hook. Gret end to the round by Pacquiao. Straight left gets through to end the round. Pacquiao 2-0.

Round 1: Rios jabbing early. Pacquiao body shot. Rios jabbing only early on. Pacquiao's speed making a difference early on. Pacquiao clearly the aggressor, and moving around the ring as he usually does. Rios goes down but it was ruled a slip. Rios holding Pacquiao and going to the body. Hard left by Pacquiao. Easy round for Pacquiao.

Michael Buffer announcing the fighters. It's almost time! The referee is Genaro Rodriguez.

We're about ready for the walkouts! Rios has a nine-pound advantage over Pacquiao as they walk into the ring. He is seven years younger, and has never been KO'd like Pacquiao has.

"Bam Bam" Rios: Wearing the colors of Mexico, with multi-colored shorts with diagonal striping. Eminem's song, "Berserk," was playing, but a Mexican song during the walkout.

Manny Pacquiao: Manny walking out to Katy Perry's "Roar." Crowd is going crazy.

Celeb watch: Paris Hilton (yes, Paris Hilton) made the trip to Macau and is at ringside. So is David Beckham. Jessica Sanchez from American Idol sings the U.S. national anthem AND the Filipino anthem..

Coming up next: Manny Pacquiao vs. Brandon Rios. Should be a slugfest right from the start.

Evgeny Gradovich defeats Bill Dib by ninth-round TKO

Round 9: Low blow by Dib stops the fight. Then the fight is stopped for real. Dib's corner throws in the towel. Huggins stops it, and Gradovich gets a ninth-round TKO at 1:10 to remain undefeated.'

Round 8: Gradovich gets Dib in the corner and punishes him with flurries, mostly to the head. The fight should be stopped, but the referee lets it go on. Nice counter but Gradovich. This one will go to the 9th. Another Gradovich round, which I guess didn't need to be said.

Round 7: It's all Gradovich now. Connecting with hard rights, and Dib's face shows it. This is a one-sided fight. Dib cannot stop the Russian.Unfortunately he doesn't seem to have the power to KO Dibs.

Round 6: Wow, a flash knockdown by Gradovich that looked like a slip by Dib, but referee Allen Huggins went with the knockdown. Gradovich takes a 10-8 round.

Round 5: Dib finally connects on a nice left hook, but Gradovich matches it. Gradovich throws an uppercut. With the fight in the middles of the ring, Dib is starting to find his rhythm. I give that round to Dib by a small margin. 4-1 Gradovich. Gradovich has another cut under his left eye.

Round 4: For whatever reason, Dib is standing in front of Gradovich, known as the Mexican Russian for his fighting style, taking punishment. Two more good left hooks by Gradovich connect, as he takes it to Dib once again. 4-0 Gradovich

Round 3: Gradovich connects with a hard right. then gets Dib against the ropes and throws a flurry, connecting with most. He does it again later in the round. then connects with a left hook as the round ends. Gradovich 3-0.

Round 2: Dib , from Australia, gets more agressive, using his jab to lead the right hand. But Gradovich continues to be the bigger aggressor. This is not a very entertaining fight so far. Niether fighter is offering much. I have it 2-0 for Gradovich.

Round 1: Gradovich, the Russian, has a cut on his scalp early. Gradovich was Ruslan Provodnikov's college roommate. Gradovich outboxes Dob in the first, but the cut could be a problem.

Evgeny Gradovich vs. Billy Dib: We'll start the round by round coverage of a rematch from a March fight in which Gradovich (17-0, 8 KOs) took Dib's IBF featherweight title and still owns it. Dib looking to get it back. Dib (36-2, 21 KOs) is a Mayweather fighter

PREVIEWING THE FIGHT

From Bob Velin of USA TODAY Sports: Brandon Rios relishes task of beating Manny Pacquiao

From Chuck Culpepper of SOE: In camp with Pacquiao, career at crossroads

From Chuck Culpepper of SOE: Pacquiao, Roach keep faith despite religious differences

Pacquiao vs. Rios: Fight Preview Preview one of the most anticipated action fights of the year. Pacquiao vs. Rios happens Sat., Nov. 23 live on pay-per-view beginning at 9pm ET/6pm PT.

Closer look at Manny Pacquiao Manny Pacquiao talks about the past, present and what he needs to do to win. Pacquiao vs. Rios happens Sat., Nov. 23 live on pay-per-view beginning at 9pm ET/6pm PT.

Closer look at Brandon Rios Brandon Rios discusses his personal backstory and why he is ready for this fight. Pacquiao vs. Rios happens Sat., Nov. 23 live on pay-per-view beginning at 9pm ET/6pm PT.

Manny Pacquiao, Brandon Rios face off outside the ring Manny Pacquiao and Brandon Rios meet face-to-face for this exclusive interview. Their live pay-per-view fight is Saturday, Nov. 23.

Is Manny Pacquiao done? Manny Pacquiao's coach Freddy Roach dismisses suggestions that the former champ has lost his form during his year-long break following two losses, one by knock-out.