The longtime Phoenix Mercury star is joining the Atlanta Dream, and discussed her decision in an Unrivaled social media clip.

MIAMI — Brittney Griner is testing the free agent market for the first time in her career. The All-Star center is taking meetings starting Tuesday with multiple teams, according to her agent. WNBA executives were in Miami for the opening of Unrivaled to talk with Griner and other free agents.

Griner entered the offseason as the second-longest tenured WNBA player with one team, having spent her entire career in Phoenix.

The WNBA landscape was shaken up Tuesday. First, the Phoenix Mercury traded for Connecticut Sun star Alyssa Thomas. Then, longtime Mercury star center Brittney Griner decided to leave Phoenix after 11 seasons to join the Atlanta Dream.

Phantom won its first game in Unrivaled on Friday thanks to Brittney Griner's heroics, although the WNBA All-Star suffered several injury problems during the victory

Phoenix Mercury center Brittney Griner is testing the free agency market for the first time and has left people speculating on social media.

There's a possibility that Brittney Griner won't be in a Phoenix Mercury uniform next season. The All-Star Griner is testing the WNBA free agency market for the first time, the Associated Press reported.

The 3-on-3 league features an 8-week season and tips off Friday in Miami, featuring top talent from the WNBA like Brittney Griner and Angel Reese. (AP video: Brittany Peterson) Phantom’s Brittney Griner, practices defensive plays, Thursday, Jan. 16 ...

WNBA front offices have been allowed to contact and negotiate with free agents for more than a week, and the Aces’ priorities are clear. They shook things up Sunday as part of a blockbuster three-team trade that sent “Core Four” member Kelsey Plum to the Los Angeles Sparks in exchange for Seattle Storm guard Jewell Loyd.

Brittney Griner announced her WNBA free agency decision on Tuesday night. The longtime WNBA star, 34, is leaving the Phoenix Mercury after 11 seasons. Griner is signing with the Atlanta Dream. She announced her decision on social media on Tuesday evening.

Natalie Esquire and Meghan L. Hall discuss Brittney Griner's move to the Atlanta Dream after spending 11 years with the Phoenix Mercury, explaining how Griner's addition can make the Dream title contenders.