San Diego FC vs. Philadelphia Union prediction, odds, MLS picks [9/13/2026]

San Diego FC will face Philadelphia in MLS action at Snapdragon Stadium on Sunday, starting at 9:00 PM ET.

Dimers' proven MLS model projects San Diego FC as the most likely winner in this San Diego FC vs. Philadelphia prediction.

This article offers a closer look at Sunday's match, including best bets and picks.

San Diego FC vs. Philadelphia Union prediction and odds

Using powerful machine learning and data, we have re-simulated the outcome of Sunday's MLS matchup between San Diego FC and Philadelphia, forming part of our MLS predictions coverage.

Our leading predictive model currently suggests a 40.4% chance of San Diego FC winning, a 36.0% chance for Philadelphia, and a 23.6% chance of a draw. Additionally, the over/under total of 2.5 goals has a 61.1% chance of going over., according to our model.

Latest betting odds

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

• Moneyline: Philadelphia +133, San Diego FC +200
• Total Goals: Over/Under 2.5 (-223/+203)

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

Model 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:

• Moneyline: San Diego FC @ +200 via DraftKings
• Total Goals: Under 2.5 @ +203 via Polymarket

According to our MLS best bets, the top play to make on this game is San Diego FC to win.

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

Correct score projections

The top three most likely final scores, according to our model, are listed below, with a 1-1 draw being the most probable:

• San Diego FC 1-1 Philadelphia (10.6% probability)
• San Diego FC 2-1 Philadelphia (8.6%)
• San Diego FC 1-2 Philadelphia (8.1%)

These predictions are based on each team's average score according to our machine learning model, meaning the most likely correct score may differ from our predicted winner.

Game info & kickoff details

Sunday's MLS action between San Diego FC and Philadelphia in MLS at Snapdragon Stadium is scheduled to commence at 9:00 PM ET.

• Who: San Diego FC vs. Philadelphia Union
• Date: Sunday, September 13, 2026
• Time: 9:00 PM ET/6:00PM PT
• Venue: Snapdragon Stadium

Conclusion

According to our computer model, San Diego FC has a 40.4% win probability on Sunday, Philadelphia has a 36.0% win probability, and there is a 23.6% chance that the game will end in a draw.

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

This article's predictions and probabilities are generated by Dimers' proprietary MLS prediction model. Our editorial team reviews the resulting content for accuracy and presentation before publication.