Arizona Diamondbacks vs Colorado Rockies, MLB Picks

Arizona Diamondbacks

Colorado Rockies

Tue, Sep 22 · 8:40 PM ET · Coors Field

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Model Projection

These numbers come from a power-rating model built on the method Billy Walters lays out in his book Gambler.

Projected Moneyline

ARI -135

Projected Total

9.5

This projection and current market action are supplementary and do not influence the final qualitative pick and analysis of today's game.

Season stats ordered from most to least relevant. Longer bar, stronger league standing.

ARICOL

4.4 (T18th)

Runs

(T6th) 4.7

How many runs does the team score per game?

(League Avg: 4.5 Runs/Game)

0.712 (20th)

OPS

(5th) 0.743

How strong is the team's overall offense?

(League Avg: 0.719 OPS)

31.6% (T15th)

OBP

(T7th) 32.4%

How often does the team get on base per plate appearance?

(League Avg: 31.9%)

0.396 (21st)

SLG

(4th) 0.419

How many total bases does the team average per at-bat?

(League Avg: 0.401 SLG)

151 (26th)

(20th) 168

How many home runs has the team hit this season?

(League Avg: 174 HR)

8.2 (T14th)

Hits

(T2nd) 8.7

How many hits does the team get per game?

(League Avg: 8.2 Hits/Game)

24.3% (T15th)

AVG

(T3rd) 25.5%

How often does the team get a hit per at-bat?

(League Avg: 24.4%)

101 (T13th)

(15th) 100

How many bases has the team stolen this season?

(League Avg: 102 SB)

4.4 (T12th)

Runs Allowed

(30th) 5.8

How many runs does the team allow per game?

(League Avg: 4.5 Runs/Game)

4.09 (12th)

ERA

(30th) 5.57

How many earned runs do pitchers allow per 9 innings?

(League Avg: 4.18 ERA)

1.28 (T11th)

WHIP

(30th) 1.53

How many runners do pitchers allow per inning?

(League Avg: 1.31 WHIP)

7.07 (29th)

K/9

(30th) 7.02

How many strikeouts do pitchers get per 9 innings?

(League Avg: 8.48 K/9)

170 (17th)

HR Allowed

(28th) 208

How many home runs has the team allowed this season?

(League Avg: 174 HR)

8.4 (T19th)

Hits Allowed

(30th) 10.1

How many hits does the team allow per game?

(League Avg: 8.2 Hits/Game)

24.8% (T19th)

BAA

(30th) 28.8%

How often do opponents get a hit per at-bat?

(League Avg: 24.4%)

98.9% (T2nd)

FLD%

(T27th) 98.2%

How often does the defense avoid errors?

(League Avg: 98.6%)

Matchup Breakdown

Arizona's offense: A middle-of-the-pack unit that scores at a below-average rate and sits near the bottom of the league in home run production. They make contact at an average clip and run the bases capably but don't project as a lineup that will put up a big number.

Colorado's offense: One of the more productive offenses in the league, ranking near the top in hits per game and batting average. They get on base at a well-above-average rate and generate extra-base damage at one of the better clips in baseball.

Arizona's pitching: Solidly above average in run prevention, command, and overall ERA, and their defense ranks among the best in baseball. The one notable weakness is strikeout rate, which sits near the bottom of the league, meaning contact management and their gloves do the heavy lifting.

Colorado's pitching: Last in the league across every major category, from earned run average to hits and walks allowed. They struggle to retire hitters cleanly and their defense compounds an already difficult situation.

Overall: Arizona carries the more complete profile here, with above-average pitching and an outstanding defensive unit offsetting a modest offense. The sharpest collision in this game is Colorado's contact-heavy lineup meeting Arizona's contact-allowing pitching staff, which sets up an interesting dynamic, but Colorado's pitching is too leaky to sustain even a well-run offense. Arizona's overall balance gives them the stronger footing.

Pitching Matchup

Tonight's probable starters, with how each opposing lineup handles their throwing hand.

Corbin Burnes

RIGHTY · ARI

Rank

Fill-In Starter

Record

0-0

ERA

5.87

ARI vs Righties

(Season)

53-59

ARI vs Righties

(Season OPS)

5th of 30

ARI vs Righties

(L20 OPS)

3rd of 30

ARI’s pitcher is unconfirmed. This game will not be ranked today.

Mason Adams

RIGHTY · COL

Rank

#1 · Top Starter

Record

0-0

ERA

3.38

COL vs Righties

(Season)

39-65

COL vs Righties

(Season OPS)

20th of 30

COL vs Righties

(L20 OPS)

20th of 30

COL’s pitcher is unconfirmed. This game will not be ranked today.

The Read

Arizona's starter: Corbin Burnes is pitching at fill-in level right now, a command-first arm who survives by attacking the zone rather than missing bats at an elite rate. He has been hittable this season, relying on location and soft contact rather than overpowering anyone.

Colorado's starter: Mason Adams is the top arm in Colorado's rotation and carries genuine swing-and-miss ability that makes him a real weapon when he is on. The problem this season has been consistent zone-finding, giving him a volatile profile where elite stuff and walk trouble often show up in the same outing.

The lineups: Arizona's offense has been one of the stronger units against right-handed pitching this season and that form has been even sharper in recent games, making them a genuinely tough draw for Adams. Colorado's lineup has sat well below average against right-handed pitching all year and that has not changed lately, meaning Burnes draws a soft matchup despite his own struggles.

Overall: The talent gap clearly favors Adams as a pitcher, but the lineup matchups cut directly against that edge. Arizona's offense is one of the hotter groups against right-handed pitching right now, and Adams's command issues mean a disciplined lineup can extract real damage even from a quality arm. Burnes is the weaker starter on paper, yet he faces a Colorado offense that has been among the least productive against his hand all season, which compresses what looks like a lopsided pitching matchup into something much tighter on a run-scoring basis.

Team Conditions

Bullpen health, schedule rest, and the current injury list.

ARICOL

Bullpen

3.95 ERA

(14th of 30)

4.93 ERA

(27th of 30)

Closer is rested and ready.

Setup relievers have been worked hard recently.

Setup relievers are rested and ready.

Manager is leaning on middle relief more than usual.

Long reliever is available if needed.

Long reliever was just used and may be unavailable.

Rest

Played extra innings last time out.

Home for several days.

Bullpen and bench got less rest.

No travel concerns.

InjuryKey Players

N. Arenado (3B) - SEP 16

R. Nelson (SP) - SEP 13

T. Locklear (1B) - SEP 12

R. Thompson (RP) - SEP 1

A. Puk (RP) - AUG 7

A. Saalfrank (RP) - JUL 18

C. Mena (RP) - JUN 1

J. Quintana (SP) - SEP 15

S. Sullivan (SP) - SEP 11

W. Castro (2B) - SEP 5

C. Dollander (SP) - JUN 23

W. Herrera (RP) - JUN 2

M. Brown (SP) - MAY 31

R. Petit (RP) - MAY 8

P. Ohl (RP) - MAY 8

K. Bryant (DH) - MAY 8

The Read

Arizona's bullpen: Arizona's bullpen is meaningfully stronger by ERA and their closer enters fresh, though the setup corps has been worked hard recently and the manager is leaning on middle relief more than usual, which matters coming off an extra innings game. Long relief depth is available if the starter needs bailing out early.

Colorado's bullpen: Colorado's bullpen ranks near the bottom of the league and their long reliever is likely unavailable tonight, narrowing the manager's options considerably. Setup arms are fresh and the closer is ready, but the overall unit is a liability in a close game.

Rest: Colorado holds a clear edge here, settled at home for several days with no travel concerns weighing on the roster. Arizona is coming off an extra innings game, leaving their bullpen and bench operating on shorter rest than normal.

Injuries: Colorado is carrying a heavier injury burden at more critical spots, missing multiple key starters in Quintana, Sullivan, and Dollander, plus a key middle infielder in Castro. Arizona is also shorthanded in meaningful ways, with Arenado out of the lineup and Nelson unavailable from the rotation, and several relief arms missing from the depth chart.

Overall: The conditions lean toward Arizona on balance, as Colorado's weaker bullpen, deeper rotation losses, and thinner late-inning options are harder to absorb than Arizona's rest disadvantage. Arizona's bullpen rates better and still has depth available tonight, while Colorado figures to piece things together with a short-handed pitching staff. The rest and home-field situation favors Colorado, but the bullpen and injury gaps push the overall edge toward Arizona.

Weather and Ballpark

Game-time conditions and how this park actually plays.

82°F

Coors Field

Open Air

Ballpark: Strong Hitter-Friendly (1st of 30 in Runs)

Temperature: Warm air adds carry (~3 ft on fly balls) — Favors Hitters

Wind: 9mph Crosswind to Left Field → Slight Hitter Advantage (Righties)

The Read

Ballpark: Coors Field is the most run-friendly environment in baseball, where thin mountain air strips breaking balls of their bite and turns warning-track shots into home runs. Pitchers consistently get exposed here regardless of form, and games routinely produce offense that would look unrecognizable in a neutral park.

Weather: Warm air tonight adds extra carry to well-struck balls, nudging already elevated conditions one notch further toward hitters. A crosswind blowing toward left field gives right-handed batters a mild directional assist on anything pulled with authority.

Overall: Colorado's lineup is a genuine threat in this setting, ranking near the top of the league in slugging and overall offensive output, and Coors has a way of turning a good offense into a great one. Arizona's lineup grades out below average by most power measures, but even modest contact in this park tends to travel further than expected, and both clubs benefit from the altitude equally. With warm air and a favorable wind on top of the park baseline, conditions tilt clearly toward the over.

Side Write-Up

🔒 Final pick drops September 22

The pick may already be decided, but it stays under wraps until the day before first pitch -- so it can't be second-guessed by a week of news, lineup, or line movement.

Total Write-Up

🔒 Final pick drops September 22

The pick may already be decided, but it stays under wraps until the day before first pitch -- so it can't be second-guessed by a week of news, lineup, or line movement.

Written by

VIMB

47,000+

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This information is for entertainment purposes only and is not any form of financial or gambling advice. Sports involve high variance therefore always be responsible and manage your risk accordingly.

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Market Action Model Projection Offense & Defense Pitching Matchup Team Conditions Weather & Ballpark Side Write-Up Total Write-Up