Brittney Griner took a moment on social media to say farewell to the Mercury for 11 seasons with the franchise.

WNBA star Brittney Griner has officially bid her farewell to the Phoenix Mercury after her decision to leave this offseason.

Phoenix Mercury center Brittney Griner is enjoying ... partner has been huge in raising their kid. "I've been in awe from the moment he got here," Griner said of her baby, per ESPN.

Brittney Griner plans to sign with the Atlanta Dream, marking the end of her 11-year career with the Phoenix Mercury. Griner announced the move in a video posted to Instagram on Tuesday night ...