LOS ANGELES (AP) - Leilani Mitchell hit a 3-pointer from the baseline with 3.9 seconds left in overtime, and the Phoenix Mercury edged the Los Angeles Sparks 94-91 on Sunday.
Candice Dupree passed to Mitchell, who connected from long range as the Sparks collapsed on Brittney Griner.
The 6-foot-8 Griner, who finished with 19 points and 10 rebounds for her second double-double in the four games she has played this season, dunked for the fifth time in her WNBA career. It was the 11th regular-season dunk in league history.
DeWanna Bonner scored 22 points for the Mercury (6-5), who shot 51 percent.
Nneka Ogwumike had 26 points and a season-high 19 rebounds for Los Angeles (2-8).
DREAM 72, STORM 64
ATLANTA (AP) - Angel McCoughtry scored 23 points, and Atlanta held on for the win.
Tiffany Hayes added 12 points for the Dream (5-6).
Jewell Loyd scored 12 points for Seattle (3-9), which has lost seven of eight. Alysha Clark, Ramu Tokashiki and Sue Bird added 11 each.
Bird was just 4-of-15 shooting while leading scorer Crystal Langhorne was limited to five points.