PHOENIX — The Phoenix Mercury reportedly made one of the biggest moves ahead of the WNBA trade deadline Sunday. Jun 13, 2026; Phoenix, Arizona, USA; Los Angeles Sparks guard Kelsey Plum (10) drives past Phoenix Mercury forward Alyssa Thomas (25) in the first half at Mortgage Matchup Center. Jun 9, 2026; San Francisco, California, USA; Phoenix Mercury guard Monique Akoa Makani (8) brings the basketball up the court against Golden State Valkyries guard Veronica Burton (22) during the first quarter at Chase Center. May 21, 2025; Phoenix, Arizona, USA; Los Angeles Sparks guard Kelsey Plum (10) drives on Phoenix Mercury forward Alyssa Thomas (25) in the first half at Footprint Center. With Plum set to become one of the biggest names on the trade market, Los Angeles capitalized on the opportunity to add long-term assets while Phoenix bolstered its roster for a playoff push.