St Kilda Saints vs. Sydney Swans prediction: Swans favored to win Friday's AFL Round 21 matchup [7/31/2026]

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Written by Damien Souness

Get St Kilda Saints vs Sydney Swans predictions for AFL Friday.

St Kilda Saints-Sydney Swans Predictions and Game Preview.
St Kilda Saints vs. Sydney Swans AFL prediction for Friday, July 31, 2026.

The St Kilda Saints and Sydney Swans will meet in the Australian Football League (AFL) at Marvel Stadium on Friday, starting at 11:05 PM ET.

Dimers' advanced AFL model projects the Swans as the most likely winner in this Swans vs. Saints prediction.

This article offers an expanded analysis of Friday's matchup, including best bets and picks.

Saints vs. Swans prediction: Who will win Round 21 game?

Using trusted machine learning and statistical analysis, we have simulated the result of Friday's AFL matchup between the Swans and Saints, forming part of our AFL predictions coverage.

Our famous predictive model currently gives the Swans a 61.2% chance of beating the Saints.

According to our model, the Saints (+13.5) have a 56.4% chance of covering the spread, while the over/under total of 181.5 points has a 51.2% chance of staying under,.

 

Sydney vs. St Kilda odds

We have sourced the best AFL odds in America for this game, which are listed here:

Bet Type Swans Saints
H2H (Moneyline) -213 +170
Line (Spread) -13.5 (-115) +13.5 (-115)
Total o181.5 (-115) u181.5 (-115)

All odds are correct at the time of publication and are subject to change.

Swans vs. Saints picks and best bet

After matching our predictions against the best available odds, we can reveal our picks for each of the major markets in this matchup. Plus, find our best bet for the game below:

Bet Type Pick Bet Now
Spread Saints +13.5 -115
Moneyline Saints +170
Total Under 181.5 -115

According to our AFL best bets, the top play to make on this game is Saints +13.5 at the spread.

These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.

 

Saints vs. Swans game-day updates and essential details

Friday's Australian rules football game between the Saints and Swans at Marvel Stadium is scheduled to commence at 11:05 PM ET.

  • Who: Sydney Swans vs. St Kilda Saints
  • Date: Friday, July 31, 2026
  • Time: 11:05 PM ET/8:05PM PT
  • Venue: Marvel Stadium

The AFL is available to bet on in the US through all major sportsbooks, with fans highlighting the high-octane 360-degree nature of the sport as a top reason to follow it.

Conclusion

We predict the Swans, with a 61.2% win probability, will likely beat the Saints in Friday's AFL matchup.

Additional tools and information for betting safely can be found in our Responsible Gambling hub.

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Written by
Damien Souness
Chief Experience Officer

Damien Souness is Chief Experience Officer at Cipher Sports Technology Group, helping lead sports media brands such as Dimers. He specializes in creating trustworthy and data-driven content for sports fans, with experience working for globally recognized sports and media organizations.

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