Q&A: Ex-Lions Calvin Johnson, Rob Sims want their cannabis business to turn a 'stigma' into a solution - The Athletic
Calvin Johnson partners with Harvard to research benefits of marijuana on CTE
Former Lions Calvin Johnson, Rob Sims believe in the science, potential of cannabis industry - ESPN
Former NFLers Calvin Johnson and Rob Sims set to open first cannabis dispensary
Former Lions Calvin Johnson, Rob Sims Discuss Their Cannabis Company
Former NFL players visit cannabis company in Niles
Calvin Johnson's Cannabis Firm Primitiv Inks Deal for LED Grow Lights - DBusiness Magazine
Building the Future of Cannabis with Calvin Johnson Jr. and Rob Sims – SPORTS CANNABIS
High Priority Podcast on Spotify
Former NFL Star Calvin Johnson's Cannabis Company Launches Nano-Cannabinoid Product Line - Ganjapreneur