Former shooting guard known for his outside shot, winning two 3-point shootout championships. He played for the Phoenix Suns, Philadelphia 76ers, and Utah Jazz. He served as head coach of the Phoenix Suns in 2013 after spending two years as an assistant coach for the Utah Jazz. From 2016 to 2018, he served as head coach of the New York Knicks.
He helped Iowa State University upset a 2-seeded University of Michigan team on the way to the Sweet 16 of the 1986 NCAA tournament. He was then selected 46th overall in the 1986 NBA Draft by the Phoenix Suns.
He was an NBA All-Star in 1991 and his #14 was retired by the Utah Jazz. Across his career, he averaged 14.5 points per game and hit 40.3% of his three point attempts.
His father was a basketball and baseball coach at St. Joseph High School in Westchester, Illinois. He married Stacy Hornacek and he has a daughter, Abby, and two sons, Tyler and Ryan.
He played alongside legendary point guard John Stockton on the Utah Jazz, helping lead the team to multiple NBA Finals appearances but they could never defeat Michael Jordan and the Chicago Bulls.