March Madness games today: Breaking down Sunday's men's NCAA Tournament matchups

Sunday's eight second-round games in the NCAA men's tournament will complete the Sweet 16. A breakdown of the matchups and what to watch.

Selection Sunday was just one week ago, but the men's NCAA Tournament has already seen 44 teams eliminated from the field of 68. And by the end of Sunday, we will have our Sweet 16 locked in after eight second-round matchups take place across the country.

There's plenty of storylines to watch. No. 1 seeds Florida and Arizona hoping to avoid the upset bug that has typified previous editions of March Madness. Likewise, there's some potential danger for No. 2 seeds Purdue and Connecticut.

So how will the day unfold and where should you be focusing your attention with 12 hours of action on tap? We ranked all eight games and broke down each of the matchups. Enjoy the drama sure to unfold.

Time/TV: 5:15 p.m. ET, CBS

These are the classic matchups in the second round that match traditional powerhouses with teams capable of making deep tournament runs. And you've got one of the best coaching matchups of the second round with Rick Pitino facing off against Bill Self. Only one get advance to the regional round. St. John's, which has won 20 of its last 21 games, made light work of Northern Iowa with a balanced effort. Kansas got a needed big game for freshman standout Darryn Peterson, which could bode well for their hopes of advancing.