Home DraftKings Launches Special March Madness-Themed Roulette Game via Casino Mar 12, 2018; Dayton, OH, USA; March Madness logo scene on ball during practice before the First Four of the NCAA Tournament at Dayton Arena. Mandatory Credit: Brian Spurlock -USA TODAY Sports Mar 12, 2018; Dayton, OH, USA; March Madness logo scene on ball during practice before the First Four of the NCAA Tournament at Dayton Arena. Mandatory Credit: Brian Spurlock -USA TODAY Sports