Tigers vs. Pirates prediction: Why Pittsburgh is favored to win Tuesday's MLB matchup [8/18/2026]

The Pittsburgh Pirates and Detroit Tigers will lock horns in MLB action at PNC Park on Tuesday, starting at 6:40 PM ET.

Braxton Ashcraft (12-5, 3.82 ERA) will start on the mound for the Pirates, while the Tigers have opted for Keider Montero (9-7, 3.22 ERA).

Dimers' proven MLB model projects the Pirates as the most likely winner in this Tigers vs. Pirates prediction.

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

For more, dive into Braxton Ashcraft's pitching projections.

Tigers vs. Pirates prediction: Who will win and cover?

Using powerful machine learning and statistical analysis, we have simulated the outcome of Tuesday's MLB game between the Tigers and Pirates, forming part of our MLB predictions coverage.

Our leading predictive model gives the Pirates a 58.7% chance of defeating the Tigers.

According to our model, the Tigers (+1.5) have a 59.1% chance of covering the run line, while the 7.5-run over/under has a 59.1% chance of going over,.

Tigers vs. Pirates odds [8/18/2026]

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

• Run Line: Tigers +1.5 (-152) / Pirates -1.5 (+150)
• Moneyline: Tigers +153, Pirates -144

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

Tigers vs. Pirates 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:

• Run line: Pirates -1.5 @ +150 via DraftKings
• Moneyline: Tigers @ +153 via Novig
• Total: Over 7.5 @ -120 via DraftKings

According to our MLB best bets, the top play to make on this game is Over 7.5 total runs.

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

Tigers vs. Pirates game-day updates and essential details

Tuesday's MLB game between the Pirates and Tigers at PNC Park is scheduled to begin at 6:40 PM ET.

• Who: Detroit Tigers vs. Pittsburgh Pirates
• Date: Tuesday, August 18, 2026
• Time: 6:40 PM ET/3:40PM PT
• Venue: PNC Park

Conclusion

We predict the Pirates, with a 58.7% win probability, will likely beat the Tigers in Tuesday's MLB matchup.

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