SELECTION SUNDAY 2009 : NCAA Tournament Selection, Seeds Information UPDATED

04/11/2009 05:12 am ET | Updated May 25, 2011

***UPDATE 6:40PM***
The number one seeds are out. Here's some info on what we know so far:

The Big East put up a big number Sunday: Three No. 1 seeds in the NCAA tournament.

Louisville, Pittsburgh and Connecticut helped the Big East, a group originally created for basketball only, become the first conference to put three teams on the top line. North Carolina, regular-season Atlantic Coast conference champions, was the other top seed.

Louisville was the top overall seed in the tournament and will play in the Midwest. The Cardinals will open against the winner of an opening-round game Tuesday between Alabama State and Morehead State. Pitt was tops in the East, Carolina in the South and UConn in the West.

Of the four top seeds, Rick Pitino's Cardinals were the only team to win its conference tournament. Louisville entered the Big East conference tournament as the top seed, though Pitt and UConn were more highly regarded throughout the regular season, each spending time at No. 1 in The Associated Press poll.

Memphis (31-3) got snubbed, taking the second seed in the West despite a 25-game winning streak. The Tigers are often downgraded for playing in the less-than-steller Conference USA, but John Calipari's team proved people wrong last year, making it to the national title game.

In the West, it's No. 2 seed Memphis vs. Cal State-Northridge; Missouri vs. Cornell; Washington vs. Mississippi State; Purdue vs. Northern Iowa; Marquette vs. Utah State; California vs. Maryland; BYU vs. Texas A&M.

Last year's national champion, Kansas, is almost completely revamped this year and was seeded third in the Midwest with an opening game against North Dakota State.

Arizona extended its string of tournament appearances to a quarter century, and the 25th bid will be among the most debated. The Wildcats were thought by many to be off the bubble after an early loss to Arizona State in the Pac-10 tournament, but made it as 12th seed in the Midwest.

In the Midwest, No. 2 seed Michigan State will face No. 15 seed Robert Morris. In other games: Kansas vs. N. Dakota State; Wake Forest vs. Cleveland State; Utah vs. Arizona; West Virginia vs. Dayton; Boston College vs. Southern California; Ohio State vs. Siena.

ESPN flags these teams to watch as the tournament reveals the rest of the bracket:

Penn State
San Diego State
South Carolina
Saint Mary's

***UPDATE 3/15 6:11PM*** ESPN reports that the number one seeds for the tournament have been announced. They are: Louisville (Midwest), Connecticut (West), Pittsburgh (East), and North Carolina (South)

***UPDATE 3/15 3:51PM*** All the games are almost done, and teams wait with anticipation for the selection committee to make their final picks. ESPN's "Bubble Watch" offers their take on the good news and bad news. Here's a sample:

The good news:

• Memphis won its fourth consecutive Conference USA tournament final, leaving an elusive at-large bid for a team from another league. The Tigers also helped themselves in their campaign for a No. 1 seed by routing Tulsa 64-39, their 61st consecutive win over a C-USA foe. It also was their 25th straight pre-tournament victory, the longest winning streak any team this decade has taken into the NCAA tournament.

The bad news:

• Southern California came back from a 15-point deficit to beat Arizona State 66-63 in the Pac-10 tournament final in Los Angeles. The Trojans had worked their way back onto the bubble by winning four games in a row, but their nonconference performance and 9-9 finish probably would have kept them out of the tournament field. But by surprising the Sun Devils, USC earned an automatic ticket to the Big Dance.

Get much more good news and bad news from "Bubble Watch" here. Stay tuned for updates.

March Madness is nearly upon us! The conference tournaments end this weekend, and teams await Selection Sunday with bated breath. For those who need a refresher on this fateful day, we turn to Wikipedia:

The selection process for College basketball's NCAA Men's Division I Basketball Championship determines which 65 teams will enter the tournament, known as March Madness, and where they will be seeded and placed in the bracket. It is done by a special selection committee appointed by the NCAA. Thirty teams have automatic bids by winning their conference tournament; the Ivy League regular-season champion receives an automatic bid because the Ivy League has no conference tournament [1]. Therefore, only 34 teams (the at-large bids) rely on the selection committee to secure them a spot in the tournament. The selection process primarily takes place on Selection Sunday and the days leading up to it. Selection Sunday is also when the brackets and seeds are released to the public.

You can check out which teams have already clinched their bids for the tournament here.

ESPN's expert in Bracketology, Joe Lunardi, explores the potential tournament here.

Be sure to come back this Sunday where we'll be covering the triumphs and heartbreaks of college basketball fans everywhere as they discover whether their team made the tournament and what seed they received.

Also, if you happen to lack a TV but have an internet connection, the NCAA will be streaming live every game of the tournament, including the selection show this Sunday. Watch the tournament live here.

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