Mercury vs. Sparks: Betting Trends, Odds, Records Against the Spread, Predictions - May 21

The Phoenix Mercury (2-3) square off against the Los Angeles Sparks (1-3) at 10 p.m. ET on Thursday, May 21, 2026 on Amazon Prime Video.

Phoenix lost to Toronto 98-90 in its last game. Kahleah Copper led the way with 18 points and four assists, followed by Alyssa Thomas with 17 points, six rebounds, eight assists and three steals.

Los Angeles lost to Toronto 106-96 at home last time out, and were led by Kelsey Plum (28 PTS, 7 AST, 64.3 FG%) and Dearica Hamby (21 PTS, 9 REB, 3 STL, 63.6 FG%).

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Mercury vs. Sparks Betting Lines

Take a peek below at the most up-to-date betting lines for the Mercury-Sparks matchup.

• Favorite: Mercury (-2.5)
• Total: 175.5
• Mercury Moneyline: -142
• Sparks Moneyline: +116

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Mercury Betting Insights

• Based on this contest's moneyline, the Mercury have an implied win probability of 58.7%.
• Phoenix has compiled a 1-2 record in games when it was listed as a moneyline favorite (winning 33.3% of those games).
• The Mercury have a record of 2-3-0 against the spread this season.
• So far this season, one Phoenix game has gone over 175.5 points.
• Mercury games this season have had an average of 166.3 points, 9.2 fewer than this matchup's over/under.

Sparks Betting Insights (2025 Stats)

• Oddsmakers have implied with the moneyline set for this matchup that the Sparks have a 46.3% chance to win.
• Last season, Los Angeles won 10 of the 24 games, or 41.7%, in which it was an underdog.
• The Sparks put together a 19-25-0 record against the spread last season.
• Los Angeles played 22 games last season that ended with over 175.5 points.
• The Sparks had a 169.0-point average over/under in their matchups last year, 6.5 fewer points than this game's point total.

Key Stats for Mercury vs. Sparks

• Last year, Phoenix recorded 82.8 points per game, 5.4 fewer points than the 88.2 that Los Angeles gave up.
• The Mercury went 10-2 last season when scoring more than 88.2 points.
• When playing at home last season, Phoenix scored 2.0 more points per game (83.8) than it did in road games (81.8).
• Los Angeles put up 5.6 more points per game last year (85.7) than Phoenix gave up to opponents (80.1).
• The Sparks went 21-11 last season when they scored more than 80.1 points.
• At home, Los Angeles scored 84.6 points per game last season. Away, it averaged 86.7.

All Media on this page by Associated Press.