PHOENIX -- Danielle Robinson had 14 points, nine assists and eight rebounds and the San Antonio Stars held off the Phoenix Mercury 78-74 on Friday night.
The Stars (2-1) led by 10 in the fourth, but Phoenix (2-1) got within two.
The Stars scored the first seven points of the fourth quarter and Robinson had key back-to-back baskets midway through the period.
Jia Perkins, whose steal and layup gave the Stars a 73-63 lead with 5:29 remaining, added 13 points.
DeWanna Bonner hit a 3-pointer to spark a Mercury comeback and Erin Phillips' running 4-footer with 1:05 left cut it to 76-74. The teams traded possessions, but Jayne Appel hit a pair of free throws with 5.3 seconds remaining to secure the win.
Diana Taurasi led the Mercury with 21 points and nine assists. She was 8 of 14 from the field.
Bonner had 15 points, and Brittney Griner added 12 points and nine rebounds for Phoenix.
The Stars outscored the Mercury 46-34 in the paint and took advantage of 16 Phoenix turnovers, scoring 18 points of the miscues.
The Mercury, who at one point of the third quarter were shooting 64 percent from the field, missed 10 of their last 16 shots.
Phoenix won its first two games by an average of 11 points.
Phoenix went on a 10-2 run late in the third quarter to take a 58-53 lead, but Jia Perkins' runner gave San Antonio a 60-59 advantage going into the final period.
Coming off Saturday's 80-76 home win over Tulsa, San Antonio won back-to-back games after losing its opener. The Stars only won two in a row twice last season.
Seven-time All-Star Becky Hammon, who played in only one game for San Antonio last year because of a broken finger and torn ACL, played in her first game of the season after missing the first two with a sprained left ankle. She had eight points and four assists in 23 minutes.
Phoenix won three of five meetings last year on its way to the Western Conference finals.