Tigers vs. Cubs prediction: Why Cubs are favored to win Tuesday's MLB matchup [7/21/2026]
Get Detroit Tigers vs Chicago Cubs predictions for MLB Tuesday.

The Chicago Cubs will face the Detroit Tigers, in what is expected to be a close MLB game, at Wrigley Field on Tuesday, commencing at 8:05 PM ET.
David Peterson (4-7, 6.45 ERA) will start on the mound for the Cubs, while the Tigers will counter with Framber Valdez (5-6, 4.10 ERA).
Based on updated simulations, Dimers' proven MLB model gives the Cubs a slight edge with a 53.2% win probability over the Tigers.
This article offers a closer look at Tuesday's Tigers vs. Cubs matchup, including best bets and picks.
Tigers vs. Cubs prediction: Who will win and cover?
Our famous predictive model gives the Cubs a 53.2% chance of beating the Tigers.
According to our model, the Tigers (+1.5) have a 63.3% chance of covering the run line, while the 7.5-run over/under has a 53.5% chance of going over,.
Tigers vs. Cubs odds [7/21/2026]
We have sourced the best MLB odds in America for this game, which are listed here:
| Bet Type | Tigers | Cubs |
|---|---|---|
| Run Line | +1.5 (-178) | -1.5 (+170) |
| Moneyline | +117 | -113 |
| Total | o7.5 (+108) | u7.5 (+104) |
All odds are correct at the time of publication and are subject to change.
Tigers vs. Cubs 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 |
|---|---|---|
| Run Line | Cubs -1.5 | +170 |
| Moneyline | Tigers | +117 |
| Total | Over 7.5 | +108 |
According to our best MLB 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. Cubs game-day updates and essential details
Tuesday's MLB game between the Cubs and Tigers at Wrigley Field is scheduled to commence at 8:05 PM ET.
- Who: Detroit Tigers vs. Chicago Cubs
- Date: Tuesday, July 21, 2026
- Time: 8:05 PM ET/5:05PM PT
- Venue: Wrigley Field
Conclusion
We predict the Cubs, with a 53.2% 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.



