[4] As a junior in 2016, he slashed .382/.434/.630 with 12 home runs, fifty RBIs, and 29 stolen bases over 57 games, and was named the Western Athletic Conference Player of the Year.

The Nationals reportedly believed in Johnson's potential not just to stick in center field at higher professional levels, but to produce double-digit home runs as he developed.

[8] Johnson's prowess earned him a spot on the South Atlantic League's Northern Division All-Star team, alongside teammate Carter Kieboom.

[13] In 2018, Johnson battled injuries, but still managed to appear in 89 games for the Harrisburg Senators, slashing .267/.321/.410 with six home runs and 31 RBIs.

[14] On November 30, 2018, Johnson was traded to the Cleveland Indians, along with Jefry Rodríguez and a player to be named later (who was later announced as Andruw Monasterio), for Yan Gomes.

On July 18, 2021, Johnson hit his first career home run, a solo shot off of Oakland Athletics starter Chris Bassitt.

[24] Johnson played in 14 games for the Triple-A Syracuse Mets, limping to a .136/.167/.227 line with one home run and 6 RBI.

[26] In 126 games split between the Double–A San Antonio Missions and Triple–A El Paso Chihuahuas, he batted a cumulative .271/.348/.469 with 19 home runs, 73 RBI, and 30 stolen bases.

On October 31, Johnson was removed from the 40–man roster and sent outright to Norfolk, but rejected the assignment in favor of free agency.