PHILADELPHIA — Throughout the 10 months that WNBA star Brittney Griner spent in detention in Russia, Dawn Staley was one of the biggest champions of getting her free. Whether in daily campaigns on social media, many appearances in mainstream media, or games coaching South Carolina’s women’s college team, Staley has used her platforms to keep Griner’s name in the spotlight. So it was fitting that Staley gave some of the most heartfelt reactions to the news of Griner’s release to freedom on Thursday. “God’s grace is SUFFICIENT!” Staley wrote on Twitter. “@brittneygriner is home! I love you BG!” …