If Duke wins it all, one bettor could turn a $5, five-leg parlay into a huge payday, complementing the $20k they've already made. Patrick Everson has the scoop.

The four No. 1 seeds in the NCAA Tournament escaped the second weekend of the Big Dance and are heading to the Final Four to cap one of the chalkiest NCAA Tournaments ever. It's the first time since 2008 and just the second time since the field expanded to 64 teams in 1985 that all four No. 1 seeds are still standing at this juncture.

The Duke Blue Devils dominated the ACC and have looked dominant throughout the NCAA Tournament. Duke through four games in the tournament have won by an average