Jaylen Marselles Brown (born October 24, 1996) is an American professional basketball player for the Boston Celtics of the National Basketball Association (NBA). He played one year of college basketball for the California Golden Bears, being named first-team all-conference and Freshman of the Year in the Pac-12 Conference. Declaring for the 2016 NBA draft after that season, he was selected by the Celtics with the third overall pick. As a professional, he has split his time between shooting guard and small forward.