Beta Free full access during beta. All models, tools, and daily picks included.
Game-Day Update Lineups: Projected Odds Posted 5 min read

Arizona Diamondbacks vs Colorado Rockies Preview

ARI at COL 2026-09-24 preview: probable pitchers, projected lineups, NRFI/F5 model picks, weather, ballpark, and umpire context.

Arizona Diamondbacks at Colorado Rockies MLB game preview for September 24, 2026
ARI
Arizona Diamondbacks
Eduardo Rodriguez LHP
@
3:10 PM ET
Coors Field
COL
Colorado Rockies
Tanner Gordon RHP
Last updated Thursday, September 24, 2026

Key Facts

Matchup
Arizona Diamondbacks at Colorado Rockies
Date
Thursday, September 24, 2026
First Pitch
3:10 PM ET
Venue
Coors Field
Probable Starters
Eduardo Rodriguez (LHP) vs Tanner Gordon (RHP)
Lineups
Projected
Odds Snapshot
Sep 24, 3:11 PM ET
Last Updated
Sep 24, 12:21 AM ET

Betting Board

Snapshot Sep 24, 3:11 PM ET
Moneyline
ARI -176
COL +165
Total
Over 10.5 +100
Under 10.5 -122
Run Line
ARI -1.5 -110
COL +1.5 -110

Model Angles

NRFI Model
Not yet available
Projected Total
TBD
Park Factor
1.25
Hitter friendly · HR 1.47
First Pitch Weather
72°F
3.8 mph N
The Arizona Diamondbacks visit the Colorado Rockies at 3:10 PM ET at Coors Field. Probable starters: Eduardo Rodriguez for Arizona Diamondbacks opposite Tanner Gordon for Colorado Rockies. Lineups are projected until first pitch. This preview is built deterministically from projected lineups, probable starters, market prices, first-pitch weather, park factors, and TheCapperIO model context.
  • Starter matchup: Eduardo Rodriguez (Arizona Diamondbacks) vs Tanner Gordon (Colorado Rockies).
  • Lineup status: projected until official release.
  • Market context: odds are posted; see the Betting Board for current lines.

Pitching Matchup

ARI Away
Eduardo Rodriguez
LHP · 15-7 · 31 GS
ERA
2.89
WHIP
1.23
K/9
6.86
IP
183.2
Career: 4.03 ERA · 1.32 WHIP · 8.69 K/9
NRFI: 64.4%
1st Inn ERA: 6.08
COL Home
Tanner Gordon
RHP · 1-5 · 11 GS
ERA
6.01
WHIP
1.55
K/9
7.53
IP
100.1
Career: 6.56 ERA · 1.56 WHIP · 7.37 K/9
NRFI: 64.5%
1st Inn ERA: 5.94

On the season, Eduardo Rodriguez holds the ERA edge in this matchup. Eduardo Rodriguez carries a 2.89 ERA and 1.23 WHIP, while Tanner Gordon sits at 6.01 ERA and 1.55 WHIP.
Strikeout rates: Eduardo Rodriguez at 6.86 K/9, Tanner Gordon at 7.53 K/9.
K projections: Eduardo Rodriguez at 3.8 (line 4.0)
Tanner Gordon projected at 3.1 (line 4.0).
First-inning scoring: Eduardo Rodriguez holds a 64.4% career NRFI rate, Tanner Gordon at 64.5%. Combined average: 64.4%.
This is a LHP vs RHP matchup, creating potential platoon advantages in both lineups.

Strikeout Projections

Eduardo Rodriguez vs COL
Proj: 3.8Line: 4.0
-0.2
Confidence:
Tanner Gordon vs ARI
Proj: 3.1Line: 4.0
-0.9
Confidence:
View all K projections on SlateIQ

Our strikeout model weighs pitcher K rate, opponent lineup whiff tendency, park factors, and umpire zone size to project total strikeouts per starter.

Eduardo Rodriguez (Arizona Diamondbacks) is projected for 3.8 strikeouts against a posted line of 4.0. The projection is close to the line with no actionable edge.
He faces a moderate-K lineup that strikes out at 23.8% with a 28.0% whiff rate.

Tanner Gordon (Colorado Rockies) is projected for 3.1 strikeouts against a posted line of 4.0. The projection is close to the line with no actionable edge.
He faces a moderate-K lineup that strikes out at 21.6% with a 28.0% whiff rate.

The Colorado Rockies lineup is more vulnerable to strikeouts in this matchup. Colorado Rockies batters K at 23.8%, Arizona Diamondbacks batters at 21.6%.

Prop Edges

1 model signal detected
Hits (1+) Lean Hit 0.5
69.9%
See all today's picks and edges

Lineup & Matchup Breakdown

Arizona Diamondbacks Projected
K%: 21.6
1Ketel MarteS2B
Whiff rate: 28.0%Team page
Colorado Rockies Projected
K%: 23.8
Whiff rate: 28.0%Team page
Batter vs Pitcher matchup tool

Lineups are projected as of this writing.

Arizona Diamondbacks K vulnerability: 21.6% strikeout rate, 28.0% whiff rate.

Colorado Rockies K vulnerability: 23.8% strikeout rate, 28.0% whiff rate.

Ballpark, Weather & Umpire

Coors Field
Run Factor1.25
HR Factor1.47
Full park profile
Hourly Game Forecast
72°
3 PM
4 mph
N
73°
4 PM
6 mph
NNE
73°
5 PM
8 mph
NE
74°
6 PM
6 mph
NNE
  • Coors Field carries a 1.25 run factor (hitter-friendly).
  • Home run factor: 1.47 — the park elevates HR power.
  • Park notes: Extreme elevation (5280ft/Mile High); Thin air reduces drag; Humidor storage of baseballs.

First pitch forecast: 72F with 4 mph winds from the N. Humidity: 44%.

Home plate umpire: Not yet assigned. Umpire data will be added once the assignment is posted.

Run Projections & Total

Run projections not available for this game.

The Bottom Line
This is a data-first preview, not a pick. Verify current odds before placing any bet. Confirm lineups at first pitch. Bet responsibly. 1-800-GAMBLER.
This preview is generated from thecapper.io projection models and publicly available data. All projections are model estimates, not guarantees. Gamble responsibly. If you or someone you know has a gambling problem, call 1-800-GAMBLER.