Merrill Kelly's dominant history against the Rockies—8-0 with a 1.92 ERA in his last 13 starts—anchors the Diamondbacks' edge in this NL West matchup at hitter-friendly Coors Field, where thin air often boosts offense and ERAs. Arizona (20-22) enters the series opener with momentum from a stabilizing bullpen during their midseason turnaround, while Colorado (17-27) struggles at home (8-11) behind Kyle Freeland (1-4, 6.00 ERA). Recent injury moves include Rockies' Jimmy Herget to the 15-day IL (shoulder) and Diamondbacks' Carlos Santana sidelined by adductor strain, but no last-minute scratches affect the probable pitchers. Three-game set amplifies rest and bullpen usage factors.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedThis market will resolve to "Arizona Diamondbacks" if the Arizona Diamondbacks win the game.
This market will resolve to "Colorado Rockies" if the Colorado Rockies 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: May 9, 2026, 9:00 AM ET
Resolution Source
https://www.mlb.com/Resolver
0x65070BE91...This market will resolve to "Arizona Diamondbacks" if the Arizona Diamondbacks win the game.
This market will resolve to "Colorado Rockies" if the Colorado Rockies 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: May 9, 2026, 9:00 AM ET
Resolution Source
https://www.mlb.com/Resolver
0x65070BE91...Merrill Kelly's dominant history against the Rockies—8-0 with a 1.92 ERA in his last 13 starts—anchors the Diamondbacks' edge in this NL West matchup at hitter-friendly Coors Field, where thin air often boosts offense and ERAs. Arizona (20-22) enters the series opener with momentum from a stabilizing bullpen during their midseason turnaround, while Colorado (17-27) struggles at home (8-11) behind Kyle Freeland (1-4, 6.00 ERA). Recent injury moves include Rockies' Jimmy Herget to the 15-day IL (shoulder) and Diamondbacks' Carlos Santana sidelined by adductor strain, but no last-minute scratches affect the probable pitchers. Three-game set amplifies rest and bullpen usage factors.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

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