Sydney (AFP) – Coach Cheryl Reeve admitted Wednesday the fate of “gentle soul” Brittney Griner was weighing heavily on the USA team at the basketball World Cup in Sydney, with the jailed star’s No.15 jersey not being used at the tournament. Griner, a standout when the team won gold at the Tokyo Olympics last year, would ordinarily be with the squad as it attempts to claim a fourth straight title, starting Thursday against Belgium. But instead the 31-year-old is in a Russian prison, sentenced to nine years in a penal colony after being arrested at a Moscow airport in February for possessing vap…