Get behind the scenes and follow Derek Rose as he puts it all on the line going for number one at the 2019 Ultimate Callout Challenge in Indianapolis, Indiana. Get behind the scenes and follow Derek Rose as he puts it all on the line going for number one at the 2019 Ultimate Callout Challenge in Indianapolis, Indiana. Get behind the scenes and follow Derek Rose as he puts it all on the line going for number one at the 2019 Ultimate Callout Challenge in Indianapolis, Indiana.