Mitchell spent his childhood around Major League Baseball locker rooms
In 2010, Mitchell was present at the Boys and Girls Club of Greenwich when LeBron James announced to the world his decision to sign with the Miami Heat
Mitchell was drafted by the Denver Nuggets with the 13th overall pick in the 2017 NBA draft only to be traded to the Utah Jazz for the 24th pick (Tyler Lydon) and Trey Lyles
In March 2020,Mitchell and teammate Rudy Gobert tested positive for COVID-19, resulting in the NBA suspending its season
During the shortened 2020 offseason, Mitchell signed a five-year rookie extension with the Jazz, paying him at least $163 million with an incentivized maximum of $195 million