 Mendoza was teased for having a mediocre batting average throughout his career in Major League Baseball.Brett referred to the Mendoza Line in an interview with ESPN's Chris Berman which was then expanded into the world of "SportsCenter".Following his playing career, Brett became a vice president of the Royals and has worked as a part-time coach, as a special instructor in spring training, as an interim batting coach, and as a minor league instructor dispatched to help prospects develop.