With the start of the NCAA Basketball Tournament, everyone is filling out their brackets. Kentucky is the odds on favorite to win it all. Kentucky remains undefeated heading into the Tournament. The last time a team went undefeated and won the Tournament was Indiana, coached by Bobby Knight back in 1976.

Back in July, the betting site Sportsbook released odds of 50-1 that Kentucky would remain undefeated all season. 10 bets were taken on those odds and as the season drew closer, the odds dropped to 10-1 odds. If Kentucky does win the National Championship, Sportsbook could lose a high six-figured amount of money.

Now before you feel too bad for the betting sites, Nevada sports books in 2014 made $54.2 million on betting both college and professional basketball alone.

Kentucky is even money or 1 to 1 odds now to win.

Iowa State is 30 to 1 odds of winning it all.

Northern Iowa is 85 to 1 odds of winning it all.

The Iowa Hawkeyes were not listed

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