The Chicago Cubs enter this August 22 matchup at T-Mobile Park with a strong 74-55 record and NL Central positioning, while the Seattle Mariners sit at 60-68 and continue to battle inconsistency in the AL West. The Cubs have posted a solid road mark since early July, but they trail 1-0 in the series after dropping a 10-inning decision on August 21. Seattle’s probable starter Kade Anderson, a top pitching prospect, makes his MLB debut opposite Cubs left-hander David Peterson in a contest that features limited rest for both clubs on the interleague road swing. Factors such as bullpen depth, late-inning execution at the Mariners’ home park, and any last-minute lineup adjustments will shape the outcome, with the visitor’s experience level offsetting the home side’s familiarity with the venue.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedChicago Cubs – Seattle Mariners
Moneyline
$68 Vol.
Will there be a run in the first inning?
$0 Vol.
This market will resolve to "Chicago Cubs" if the Chicago Cubs win the game.
This market will resolve to "Seattle Mariners" if the Seattle Mariners win the game.
If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50.
The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
Market Opened: Aug 17, 2026, 9:00 AM ET
Resolution Source
https://www.mlb.com/Resolver
0x65070BE91...Chicago Cubs – Seattle Mariners
Moneyline
$68 Vol.
Will there be a run in the first inning?
$0 Vol.
This market will resolve to "Chicago Cubs" if the Chicago Cubs win the game.
This market will resolve to "Seattle Mariners" if the Seattle Mariners win the game.
If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50.
The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
Market Opened: Aug 17, 2026, 9:00 AM ET
Resolution Source
https://www.mlb.com/Resolver
0x65070BE91...The Chicago Cubs enter this August 22 matchup at T-Mobile Park with a strong 74-55 record and NL Central positioning, while the Seattle Mariners sit at 60-68 and continue to battle inconsistency in the AL West. The Cubs have posted a solid road mark since early July, but they trail 1-0 in the series after dropping a 10-inning decision on August 21. Seattle’s probable starter Kade Anderson, a top pitching prospect, makes his MLB debut opposite Cubs left-hander David Peterson in a contest that features limited rest for both clubs on the interleague road swing. Factors such as bullpen depth, late-inning execution at the Mariners’ home park, and any last-minute lineup adjustments will shape the outcome, with the visitor’s experience level offsetting the home side’s familiarity with the venue.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedBeware of external links.
Beware of external links.
Frequently Asked Questions
Build a combo
Select two options


Beware of external links.
Beware of external links.
Frequently Asked Questions