Brittney Griner is leaving the Valley for Atlanta. After 11 seasons entirely played with the Phoenix Mercury, the 10-time All-Star center Griner has agreed to join the Atlanta Dream in free agency. ESPN's Sham Charania and Alex Phillipou were first to break the news.

WNBA All-Star Brittney Griner has agreed to join the Atlanta Dream in free agency after 11 seasons with the Phoenix Mercury, according to a report on Tuesday.

Star Brittney Griner has agreed to a one-year deal with the Atlanta Dream, sources told ESPN on Tuesday. Griner, who has spent her entire career in Phoenix after being drafted No. 1 overall in 2013, heads to Atlanta in one of the most stunning free agency signings in league history.