MMA Fighting has Floyd Mayweather vs. Andre Berto live round-by-round updates for one of the top boxing fights of the year Saturday night.
The main event will start a little after 11:30 p.m. ET. Check out our Mayweather vs. Berto results page to find out what happened on the undercard. Mayweather will be putting his WBC, WBA and The Ring welterweight titles on the line, while Berto will try to hand Mayweather the first loss of his career. This fight, held at the MGM Grand Garden Arena in Las Vegas, Nev., is supposedly the final one in Mayweather's career.
Check out the Mayweather vs. Berto main event live blog below.
More Coverage: Mayweather vs. Berto Live Stream Online
Round 1: Here we go, y'all. Floyd Mayweather's final fight (allegedly). Melky and Wyclef Jean start us off with the national anthem of Haiti. Victoria Monet is up next with The Star-Spangled Banner. Andre Berto walks out first. Berto closes as a whopping 30-1 underdog. And here comes Floyd. Justin Bieber trails him wearing a litany of championship belts. Kenny Bayless is our referee. And we're off. Mayweather pops Berto with a jab. Mayweather snaps out his left hand to the head and body. Berto hangs back. Mayweather catches Berto at the end of his jab then dances away. Berto looks tight. Mayweather clinches and works the body inside. Mayweather is just hanging out in the pocket and Berto is reluctant to fire. Mayweather clinches, then smacks Berto with a left hook off the break. MMA Fighting scores it 10-9 Mayweather.
Round 2: Berto takes the center of the ring then slowly walks Mayweather into the ropes. He just will not let his hands go, and Mayweather is sensing it. Mayweather kind of just playing around here, not really doing much. Mayweather snaps out his jab, circles, then snaps it again. Berto clinches and Mayweather smiles. Mayweather catches Berto with a jab. Berto unloads a series of jabs and the crowd rallies behind him, but not much going there. Berto pumps his jab, but Mayweather ducks under and escapes. MMA Fighting scores it 10-9 Mayweather. (20-18 Mayweather.)
Round 3: Berto's corner seems real into the strategy Berto is employing... which is puzzling to me, but hey, cest la vie. Mayweather wades inside with his jab. Mayweather is just letting Berto back him into the ropes, but Berto can't make him pay. Berto can't hit anything right now. Mayweather dances to the center and fires off a jab. Berto lunges at Mayweather with a straight shot and Mayweather stumbles on the escape. Not a knockdown there. Berto swarms inside but can't find his mark. Mayweather circles, jabs, then relaxes. MMA Fighting scores it 10-9 Mayweather. (30-27 Mayweather.)
Round 4: Mayweather slips back into his dancing shoes, allowing Berto to lead. Berto is really pressing with his offense, but he's starting to grow frustrating with his inability to land clean on Mayweather. Berto traps Mayweather against the ropes and finally catches Mayweather with a straight left. Mayweather circles to the other side of the ring, clinches, then goes to work. Big right hand over the top from Mayweather! Berto presses forward but Mayweather dodges everything. Berto clinches. Now Mayweather clinches. MMA Fighting scores it 10-9 Mayweather. (40-36 Mayweather.)
Round 5: Berto's corner is urging their fighter to get on the offensive. Solid counter right hand from Berto. Mayweather backs away into the ropes and let's Berto go to work. Nothing lands flush, and Mayweather answers with a couple hard shots to the body. Berto not giving Mayweather any space, and Bayless cautions him for swinging below the belt. Mayweather is just completely outboxing this guy. Berto presses forward with jab, then catches Mayweather with a looping hook. Mayweather shrugs it off and returns to his jab. Mayweather dances to the left, then throws to the right. Berto clinches. MMA Fighting scores it 10-9 Mayweather. (50-45 Mayweather.)
Round 6: Berto again walks Mayweather into the ropes. Berto tries to go to work, and actually lands a nice straight shot off the break! Mayweather dances away then responds with a flurry. Oh, big left uppercut from Mayweather. Mayweather starting to tool Berto. Stiff jab stops Berto in his tracks. Mayweather lunges inside with a jab to the body. Another big left uppercut from Mayweather, followed by a right hand. Berto eats a jab. Berto pounces on an opening but can't catch Mayweather flush. MMA Fighting scores it 10-9 Mayweather. (60-54 Mayweather.)
Round 7: Mayweather is just completely outclassing Berto so far. Mayweather slips a jab then dives inside with a flurry. Mayweather leans back on the ropes and lets Berto do whatever he likes. Nothing lands. Mayweather reverses out to the other side of the ring and does it all over again. He's just messing with Berto. Berto lunges into a flurry that misses. Mayweather grins. Berto ducks under a looping left. Nice left hook by Berto off the break! Mayweather rips off a clean right hand. They jaw at each other as the round comes to a close. MMA Fighting scores it 10-9 Mayweather. (70-63 Mayweather.
Round 8: Mayweather backs to the ropes then dances to the middle of the ring, pawing out his jaw. Mayweather rips a jab to the body. Left hand cracks Berto. Mayweather circles off the ropes and blasts Berto with a salvo. Mayweather backs out. Again, he's just playing around here. Berto clinches and tries to work on the inside, but it's a whole lot of nothing. Counter left from Berto clips Mayweather. Mayweather works the body. MMA Fighting scores it 10-9 Mayweather. (80-72 Mayweather.)
Round 9: Berto wades forward with punches. Mayweather isn't even punching at this point; he's just making Berto miss. Mayweather finally uncorks a few jabs. Berto clinches and works the bottom. Right hand over the top from Berto. Mayweather pummels the midsection of Berto. Berto is by far the more active fighter, but Mayweather is completely controlling this fight. Body shot from Mayweather. They jaw at each other again inside the pocket. Now Mayweather is slinging! Well, he was. Berto gets a warning from Bayless for pushing. MMA Fighting scores it 10-9 Mayweather. (90-81 Mayweather.)
Round 10: Berto pumps his jab into the clinch. Mayweather lets him. They continue to talk to each other after every split. Mayweather tells Berto to stop talking. Bayless calls time and tells them both to "stop the chatter." Fun. Berto whiffs on a shot to the body and Mayweather fires back. Mayweather cracks Berto with a ridiculous jab. Mayweather has his hands down at this point. Berto swarms but literally nothing lands clean. MMA Fighting scores it 10-9 Mayweather. (100-90 Mayweather.)
Round 11: Berto's corner admonishes their fighter for doing more smiling than fighting. This is just silly. Mayweather immediately clinches. Nice lead left hook by Mayweather. Berto clinches. Mayweather did some nice work inside there. Big right uppercut from Mayweather! Another clinch. Mayweather literally just yelled at someone in the crowd during the last exchange. Mayweather swarms for a second and lands nearly everything. Mayweather dances around the ring, waving the crowd on. He's enjoying the hell out of himself. MMA Fighting scores it 10-9 Mayweather. (110-99 Mayweather.)
Round 12: Berto's corner is in disbelief that their fighter just let Mayweather play around like that. Berto pumps his jab. Berto clinches and Mayweather shakes his head. And again. This time Mayweather catches Berto with a sizzling right off the break. Berto rushes into the clinch again and Mayweather just smirks. Nice uppercut from Mayweather. Mayweather continues to talk to the crowd. Huge uppercut from Mayweather! The crowd jumps to its feet! And just like, the moment passes. Mayweather goes to the bottom, then up top. Solid left uppercut from Mayweather. Complete domination. MMA Fighting scores it 10-9 Mayweather. (120-108 Mayweather.)
Floyd Mayweather def. Andre Berto via unanimous decision (117-111, 118-110, 120-108)