PHOENIX -- The Mercury rallied to overcome a 17-point deficit in Game 3 of the WNBA Finals, tying the score with a minute to play. But for the third time in as many games, Phoenix came out on the losing end.

A'ja Wilson 's last-second jump shot sealed the Las Vegas Aces ' 90-88 victory on Wednesday, leaving the Mercury on the brink of getting swept.

And yet, the look on Phoenix coach Nate Tibbetts' face afterward was recognition, not resignation.

"It's not a team that is just, like, figuring it out," Tibbetts said. "They're a well-oiled machine."

The No. 2 seed Aces will try to close out the best-of-seven series Friday in Game 4 (8 p.m. ET, ESPN) to win their third WNBA championship.

The third-seeded Mercury looked to have momentum entering the Finals, going 5-2 in the playoffs a

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