All 30 MLB Teams in Powder Blue for Father’s Day Today. Written By: Chris Creamer • Sunday, June 19, 2016. For Father’s Day today all thirty Major League Baseball teams will be wearing powder blue and graphite versions of their usual home, road, or alternate uniforms. Caps will be graphite with powder blue logos, jerseys will be usual team colour with all wordmarks, player numbers, and patches in blue and graphite.