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Wings vs Mercury Prediction, Pick, WNBA Odds for Monday, September 21

Wings vs Mercury Prediction, Pick, WNBA Odds for Monday, September 21 article feature image
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Jerome Miron-Imagn Images. Pictured: Wings guard Paige Bueckers

The Dallas Wings (26-16) and Phoenix Mercury (15-27) meet in the WNBA tonight. Tipoff is set for 10:00 p.m. ET at Mortgage Matchup Center in Phoenix, Ariz. The game will be broadcast live on USA.

The Wings are favored by -5.5 on the spread, with the over/under set at 171.5 (-112o / -108u). The Wings are a -218 favorite to win outright, while the Mercury are +180 to pull off the upset.

Let's get into our Wings vs. Mercury predictions and WNBA picks, and download the Action Network app for more bets and analysis.

Wings vs. Mercury Odds, Pick

Wings Logo
Monday, Sep 21
10 p.m. ET
USA
Mercury Logo
Wings Odds
SpreadTotalMoneyline
-5.5
-112
171.5
-112o / -108u
-218
Mercury Odds
SpreadTotalMoneyline
+5.5
-108
171.5
-112o / -108u
+180
Odds via DraftKings. Get up-to-the-minute WNBA odds here.
DraftKings Logo
  • Wings vs. Mercury Spread: Wings -5.5 (-112), Mercury +5.5 (-108)
  • Wings vs. Mercury Over/Under: 171.5 (-112o / -108u)
  • Wings vs. Mercury Moneyline: Wings -218, Mercury +180
  • Wings vs. Mercury Best Bet: Wings -5.5 (-112)
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Wings vs. Mercury Preview

Our Bet Labs "Non-Playoff Teams Favored vs. Playoff Teams, High Total" system recommends backing Dallas to cover the spread tonight against Phoenix.

This model identifies value in regular season WNBA games where a non-playoff team from last season is favored over a team that made the playoffs, despite public perception favoring the latter.

Of course, the Mercury made it to the finals last season, but 2026 has been a completely different story, so that reputation is gone, same as their playoff hopes.

The Wings, by contrast, have already qualified but are fighting for a better seed with the Liberty and Mystics, with all three teams sharing the same record: 26-16.

Dallas is currently on a six-game winning streak, and they just beat the Mercury on Saturday, 87-82.


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Wings vs. Mercury Prediction

Our system integrates how the market undervalues current-year improvements or motivation for the 2025 non-playoff team.

WNBA Icon
Evan Abrams – Non-Playoff Teams Favored vs. Playoff Teams, High Total
the closing total is between 158 and 188
the team is the Favorite
Did the opposing team make the postseason last year: Y
Did the team make the postseason last year: N
the game is played during the Regular season
$1,791
WON
168-140-2
RECORD
55%
WIN%

The edge is further amplified in high-total games (158–188), which often signal pace or scoring confidence, typically associated with better teams. However, here, the lesser-known favorite may be more explosive than assumed.

This mispricing creates a spread edge for the non-playoff favorite, so back Dallas ATS tonight.

Best Bet: Wings -5.5 (-112, DraftKings)



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