In February, WNBA star Brittney Griner was arrested at a Moscow airport after Russian officials claimed they found vape cartridges in her luggage. Since then, Griner has remained under Russian detention. But this week, as her legal battle continues, Griner’s lawyers say she was prescribed medical cannabis for “severe chronic pain.” For several years, Griner has traveled to Russia to play basketball during the WNBA’s offseason. This is common among WNBA players, as the league salary cap prevents them from earning as much as their other pro-league counterparts in the U.S. Griner was arrested while entering Russia to play for UMMC Ekaterinburg. Earlier this month, Griner pleaded guilty to possessing…