On December 18, 2001, Jalen Johnson was born in Wausau, Wisconsin. In the NBA, he plays small forward. NBA Varsity Jackets are familiar because of these players as their fans wants to carry this jacket to get their look. He played basketball for the Duke Blue Devils in college. He was one of the best small forwards in the 2020 class and a five-star recruit. Johnson completed his secondary school vocation at Nicolet Secondary School in Glendale, Wisconsin. In his school debut on November 28, 2020, Johnson had 19 focuses, 19 bounce back, and four blocks in a 81-71 win against Coppin State. Johnson was named ACC Freshman of the Week on November 30, 2020.

Johnson announced on February 15, 2021, that he would not play the rest of the season, effectively ending his college career, and would instead enter the NBA draft in 2021. The Atlanta Hawks selected him in the 20th round. For the start of the G League season, Johnson was assigned to the College Park Skyhawks, the Hawks’ NBA G League affiliate.