Tina Thompson had 19 points and eight rebounds to lead the Seattle Storm past the Phoenix Mercury 80-65 on Tuesday night.
Tanisha Wright also scored 19 points and Shekinna Stricklen added 13 to help the Storm (9-11) win for the third time in three meetings with the Mercury this season.
Candice Dupree led Phoenix (10-11) with 18 points and eight rebounds.
The Storm took control in the third while Phoenix lost starters Brittney Griner and DeWanna Bonner. Griner landed awkwardly on her left foot, hurting her ankle, with 1:47 left in the period. The team said X-rays on her left foot were negative.
Bonner, the Mercury's second leading scorer, sprained her right knee with 4:44 left in the third.
Seattle scored nine straight points and outscored Phoenix 30-17 in the period to take a 61-47 lead.