Marcus Smart was born March 6, 1994 in Flower Mound, Texas, and is the youngest of four sons of Camellia Smart and Billy Frank Smart. Smart played competitive football until the sixth grade and enjoys playing tennis. During his college days at Oklahoma State, he was also a member of the 2014 USA Select Team that practiced against Team USA in preparation for the 2014 FIBA World Championship. Smart was also a member of the U19 Team USA squad that won the gold medal during the 2013 FIBA U19 World Championships. During his professional career, Smart founded the YounGameChanger Foundation to, in the words of the foundation, "provide families with seriously and chronically ill children with encouragement and life-changing experiences and to be a voice of motivation, empowerment and encouragement to inner city young athletes to be game changers off the court or field." Learn more about the foundation and Smart's annual Bowling Bash at marcussmart.org. Follow Smart on Twitter @smart_MS3, on Instagram @youngamechanger and on Facebook @MarcusSmartOfficial.