Stanley Herbert Johnson Jr. is an American professional basketball player who plays for the Detroit Pistons of the National Basketball Association (NBA). Stanley played his high school basketball for Mater Die High School and won four CIF State Championships in his high school career. He also participated in 2014 McDonald's All-American Boys Game, 2014 Jordan Brand Classic and the 2014 Nike Hoop Summit.
He was selected in the 2014 USA Today first team All-USA Boys Basketball Team and was one of the top high school recruits of 2014 by Rivals.com, Scout.com and ESPN. Stanley selected to play his college basketball at Arizona for the Arizona Wildcats. In his freshman year, Johnson started all 38 games and was named first-team All-Pac-12 and Pac-12 Freshman of the Year in 2014. He averaged 13.8 points, 6.5 rebounds, 1.7 assists and 1.5 steals in 28.4 minutes per game.
Johnson elected to skip the remaining three years of college and declared himself for the NBA Draft. He was drafted as the 8th overall pick in the 2015 NBA Draft by the Detroit Pistons. In 5 summer league games, Johnson averaged a team-high 16.2 points, 6.8 rebounds, 2.0 assists, 1.8 steals and 1.0 block before signing his rookie scale contract with the Pistons.
Johnson got the first start of his career in place of the injured Kentavious Caldwell-Pope. He recorded a season-high 22 points, 9 rebounds, 5 assists, 2 steals and 1 block as the Pistons defeated the New York Knicks 111-105. He helped the Pistons finish the 2015-2016 season with 44–38 record and the 8th spot in the Eastern Conference, thus earning a spot into the 2016 NBA Playoffs. In 2018, Johnson scored a career-high 26 points against the Cleveland Cavaliers in a 125-114 win.