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ARI @ COL MLB prediction: AI analysis & picks

MLB — Regular Season
ARIARI
ARI
Away
★Follow
Eduardo RodriguezLCONFIRMED
xERA 4.29
Last 5 WWWWL
12 — 8
FINAL
2026-09-24
COLCOL
COL
Home
★Follow
Tanner GordonRCONFIRMED
xERA 4.82
Last 5 LLLWL
Analysis published before first pitch Time-stamped odds (CLV) Transparent methodology
First 5 — +0.5open 5.0
Full Time — +0.5open 9.5
Run line · +1.5 2.03
Multi-bookmaker odds · time-stamped

Our picks for this match

Official pick COL +1.5
Model confidence59 %
Odds
2.03
Market
Run Line (Spread)
Suggested stake
1.0 u Kelly ↗
Taken on 24/09 · 13:12 at odds of 2.03
AI Trend At least 1 run in the 1st inning (YRFI)
Model confidence59 %
Odds
1.83
Market
First Inning (NRFI/YRFI)
Taken on 24/09 · 18:34 at odds of 1.83

Our Expert Analysis

PRO
Confidence
70%
Starters xERA4.29 vs 4.82ARI (away) · COL (home)
View full analysis

PROBABLE STARTERS

● Home: Tanner Gordon (RHP) — xERA 4.82
● Away: Eduardo Rodriguez (LHP) — xERA 4.29
● Run Line (spread): Colorado Rockies +1.5 @ 2.030 — Confidence 59% (official)

GAME CONTEXT

Arizona (84-74) closes out a series at Coors Field having taken the first two games (7-2 on Sept. 22, 5-3 on Sept. 23). Colorado (57-101) is playing out its final home stand of the season. The Diamondbacks are in a playoff push and come in with sweep momentum on their side.

KEY ABSENCES

● Home (COL): Willi Castro (2B), Chase Dollander (SP), Kris Bryant (DH) — + 4 long-term absences
● Away (ARI): A.J. Puk (RP), Andrew Saalfrank (RP), Cristian Mena (RP) — + 2 long-term absences

GAME SCRIPT

Neither starter projects to last deep into this one. Gordon (xERA 4.82) was knocked out after just 3.0 IP in his last start, surrendering 7 ER on 10 H, 2 BB, and 3 K on 86 pitches (Sept. 17). Rodriguez (xERA 4.29) was no steadier in his most recent outing — 7 ER in 5.1 IP on 5 H, 4 BB, and 5 K across 103 pitches (Sept. 18). Coors Field's park factor of 1.32 will only amplify both lineups. When both starters exit early, the bullpen gap becomes decisive: Arizona's 14-day relief ERA is 1.77, compared to Colorado's 4.50. Conditions are mild at 72°F with 7 mph winds, though an evening storm risk has been flagged.

OUR ANALYSIS

The Colorado +1.5 run line play is built on Coors Field's park factor (1.32) and the instability of both starters. Colorado's wOBA against opposing starters (0.325) tops both clubs, signaling a lineup capable of doing damage even against a quality arm — and Rodriguez is not pitching like a quality arm right now after allowing 7 earned runs in his last start. Even in a game Arizona controls, Coors Field's environment tends to keep scores within reach, supporting the spread cover. At 2.030, the price reflects a manageable level of risk aligned with the model's 59% confidence read.

Devil's advocate

Arizona has outscored Colorado by margins of 5 and 2 runs in the first two games of this series, showing a clear ability to build a cushion. Gordon has yielded 10-plus hits in back-to-back starts, and a third early exit would hand Arizona's lockdown bullpen (14-day ERA: 1.77) several innings to protect a multi-run lead. If the Diamondbacks jump on Gordon in the first couple of frames and their relievers take over from there, the +1.5 doesn't cover. We accept that risk because Rodriguez's own volatility and Coors' offensive environment give Colorado a credible path to staying in the game.

ProbWin verdict

Two shaky starters in the most hitter-friendly park in baseball: Colorado has the lineup to stay close. We back the +1.5 run line at 59% confidence with a proportionate stake to match the model's certainty level.

Key Factors

Pitcher hand
LvsR
F5 Over%
50.0%vs87.5%
FT Over%
50.0%vs50.0%
F5 Signal
—vsOVER
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Head-to-Head

3ARI
COL2
09/23/26ARI @ COL5 – 3
09/22/26ARI @ COL7 – 2
08/12/26COL @ ARI6 – 4
08/11/26COL @ ARI3 – 2
08/10/26COL @ ARI0 – 9

Form & Stats

Team Comparison

4 of 39 model features (last 5-10 games)

ARI STAT COL
4.29
Starter xERA ? Tanner Gordon vs Eduardo Rodriguez — ERA attendue basée sur la qualité des contacts
4.82
84.2
Exit Velocity ? Vitesse de sortie de balle au contact (mph) — qualité du contact offensif
82.0
6
HR (3 matchs) ? Home Runs sur les 3 derniers matchs — puissance récente
4
90.1
Vélocité moy. ? Vélocité moyenne des lancers rencontrés (mph) — calibre des adversaires affrontés
89.3
Recent Results
ARI
DateGameScore
09/23@ COL5-3
09/22@ COL7-2
09/20vs NYY8-4
09/19vs NYY5-3
09/18vs NYY2-9
COL
DateGameScore
09/23vs ARI3-5
09/22vs ARI2-7
09/20vs SEA1-2
09/19vs SEA5-3
09/18vs SEA4-5
Pitcher impact on totals
PitcherStartsF5 vs LineF5 Over%F5 SignalFT vs LineFT Over%FT Signal
Eduardo Rodriguez (AWAY)140.3250.0%-0.0050.0%-
Tanner Gordon (HOME)83.6987.5%OVER0.0050.0%-
Last 5 starts
Eduardo Rodriguez (ARI)
DatevsIPERHBBKERA
09/24COL6.0029033.00
09/18NYY5.33754511.82
09/13TEX5.3338175.07
09/06HOU6.0013261.50
09/01PHI5.0038335.40
Tanner Gordon (COL)
DatevsIPERHBBKERA
09/24ARI3.3310124127.03
09/17SDP3.007102321.00
09/12DET4.00410159.00
09/06STL4.6758149.64
08/31BAL5.0013131.80
Line Movement
First 5
5.0 → 5.5 +0.5
Full Time
9.5 → 10.0 +0.5

Frequently asked questions

When was ARI @ COL played?

This MLB game was played on 2026-09-24.

Where can I find the prediction for ARI @ COL?

This ProbWin page shows the predictions our model published before the game (F5 and full-game totals, spreads), the key stats for both sides, and the settled result — every prediction is kept, win or lose, in our public track record.

How are these predictions calculated?

Our MLB statistical models are trained on league history and recomputed daily from team and player stats plus market odds. Every prediction is published before the game and its result is settled publicly.

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