The WNBA star & her wife called for the return of other detainees: "Let's keep fighting to bring home every American still detained overseas"
Griner asks that people write to Whelan, an American businessman & former U.S. Marine, sentenced to 16 yrs on suspicion of spying on Russia
WNBA star remains in Russian jail after drug smuggling conviction
WNBA star last month sentenced to nine years in Russian penal colony
Reports indicate meeting to take place Friday
Former NBA star says he plans to 'go this week'
Russian court on Aug. 4 convicted WNBA star of drug smuggling.
Call took place after public acknowledgment of deal to secure U.S. citizens release