When Tiger Woods is your founder, as is the case with the apparel line Sun Day Red, you’ve already got a pretty good pitchman ...

Tiger Woods' Sun Day Red has its first ambassador, signing rookie Karl Vilips, who idolized Woods and followed a similar path as an amateur.

Under Armour Inc. Cl C 0.75% $2.95B Under Armour Inc. Cl A 1.69% $2.95B ...