On August 2, 2010, he signed with the Trail Blazers after averaging 11.6 points and 4.2 assists in five summer league games.

[9] After scoring 13 points in his debut for Astana on December 16, he was ruled out for the rest of the season with a serious knee injury.

[10] In March 2014, after passing a tryout period, Johnson signed with the Spanish team CB Valladolid for the rest of the season.

[11] On July 7, 2014, Johnson joined the Los Angeles Clippers for the 2014 NBA Summer League.

Following his professional career, Johnson returned to the University of Nevada, Reno as an undergrad assistant under Head Coach Eric Musselman.

After a couple year stint with the Wolf Pack, he was hired as the head coach of Excel Christian School, a small 1A academy in Sparks, Nevada.