Olympics Boxing 2012: Live Stream and Results - Flyweight and Welterweight Quarterfinals (August 7, 2012)

The quarterfinal matchups in London for the men's flyweight and welterweight boxing divisions begin today at 3:30 p.m. EDT, and this is an afternoon absolutely loaded with good matchups. There is not one fight that I think can be even a little bit shrugged off as a total gimme, or as something you can use as a bathroom break. So make sure you're settled in for a couple of hours, because this should be good stuff.

[ Full London 2012 Boxing Coverage ]

CNBC won't be live today, but will have delayed coverage at 5 p.m. EDT. Or you can watch almost-live at NBCOlympics.com.

Here's a quick look at each of the fights, and the full, quick schedule is after the jump.

Flyweight (114 lbs/52kg)

Misha Aloian (Russia) vs Jeyvier Cintron (Puerto Rico): Aloian is the top seed and considered the best flyweight in the world right now. Cintron was fortunate to get out of the round of 32, but looked much better in the round of 16. Aloian didn't appear entirely warm in his round of 16 matchup.

Jasurbek Latipov (Uzbekistan) vs Tugstsogt Nyambayar (Mongolia): The Mongolian has been a lot of fun so far, and Latipov is another fairly well-regarded standout, a seeded fighter in the tournament.

Nordine Oubaali (France) vs Michael Conlan (Ireland): Oubaali was offensively dominant in the round of 32, and came back to blow Rau'Shee Warren away in the final two rounds of their round of 16 bout. Conlan was also seeded, and looked excellent in his first tournament fight, but Oubaali isn't going to be easy for anyone.

Robeisy Ramirez (Cuba) vs Andrew Selby (Great Britain): This is the real money fight of the afternoon to me. Selby was considered one of the better home country gold hopes, but he looked vulnerable in his first London fight. Ramirez, meanwhile, has been phenomenal in two fights, just dominating his opponents.

Welterweight (152 lbs/69 kg)

Taras Shelestyuk (Ukraine) vs Alexis Vastine (France): Top-seeded Shelestyuk faces 2008 light welterweight bronze medalist Vastine, who has battled his way into the quarterfinals this year. No doubt that Shelestyuk is favored, but Vastine's no chump. I think we've seen bigger upsets so far.

Custio Clayton (Canada) vs Freddie Evans (Great Britain): Clayton is interesting. He's sound, doesn't seem to screw up much, and in both of his fights he's sort of lulled opponents into thinking he couldn't kick it up a notch, and then he did in the third round. Evans has been impressive and will have home field.

Errol Spence (United States) vs Andrey Zamkovoy (Russia): Errol Spence is the only American fighter remaining, and it's all on him if Team USA is going to medal. To do so, he has to win here. Zamkovoy has been very good so far, but Spence has, too.

Gabriel Maestre (Venezuela) vs Serik Sapiyev (Kazakhstan): Of all of today's fights, this appears the biggest mismatch. Sapiyev is a machine. Maestre is a scrapper who has earned his way here, but expectation should be that he'll get outclassed.

Flyweight (114 lbs/52kg)

3:30 p.m. - Misha Aloian (Russia) vs Jeyvier Cintron (Puerto Rico)
3:45 p.m. - Jasurbek Latipov (Uzbekistan) vs Tugstsogt Nyambayar (Mongolia)

4:00 p.m. - Nordine Oubaali (France) vs Michael Conlan (Ireland)
4:15 p.m. - Robeisy Ramirez (Cuba) vs Andrew Selby (Great Britain)

Welterweight (152 lbs/69 kg)

4:30 p.m. - Taras Shelestyuk (Ukraine) vs Alexis Vastine (France)
4:45 p.m. - Custio Clayton (Canada) vs Freddie Evans (Great Britain)

5:00 p.m. - Errol Spence (United States) vs Andrey Zamkovoy (Russia)
5:15 p.m. - Gabriel Maestre (Venezuela) vs Serik Sapiyev (Kazakhstan)