Seattle Mariners vs Colorado Rockies, MLB Picks

Seattle Mariners

Colorado Rockies

Sun, Sep 20 · 3:10 PM ET · Coors Field

‹›

Model Projection

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

Projected Moneyline

SEA -155

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.

SEACOL

4.1 (T27th)

Runs

(T6th) 4.7

How many runs does the team score per game?

(League Avg: 4.5 Runs/Game)

0.692 (28th)

OPS

(5th) 0.737

How strong is the team's overall offense?

(League Avg: 0.719 OPS)

31.2% (T22nd)

OBP

(T8th) 32.2%

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

(League Avg: 31.9%)

0.380 (28th)

SLG

(4th) 0.415

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

(League Avg: 0.401 SLG)

173 (T14th)

(19th) 165

How many home runs has the team hit this season?

(League Avg: 172 HR)

7.7 (T28th)

Hits

(T4th) 8.6

How many hits does the team get per game?

(League Avg: 8.2 Hits/Game)

23.2% (29th)

AVG

(T4th) 25.3%

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

(League Avg: 24.4%)

101 (T12th)

(14th) 100

How many bases has the team stolen this season?

(League Avg: 101 SB)

4.5 (T16th)

Runs Allowed

(30th) 5.8

How many runs does the team allow per game?

(League Avg: 4.5 Runs/Game)

4.22 (T19th)

ERA

(30th) 5.57

How many earned runs do pitchers allow per 9 innings?

(League Avg: 4.19 ERA)

1.25 (T7th)

WHIP

(30th) 1.53

How many runners do pitchers allow per inning?

(League Avg: 1.31 WHIP)

8.65 (12th)

K/9

(29th) 7.02

How many strikeouts do pitchers get per 9 innings?

(League Avg: 8.48 K/9)

185 (23rd)

HR Allowed

(T27th) 203

How many home runs has the team allowed this season?

(League Avg: 172 HR)

8.4 (T19th)

Hits Allowed

(30th) 10.0

How many hits does the team allow per game?

(League Avg: 8.2 Hits/Game)

25.0% (T21st)

BAA

(30th) 28.8%

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

(League Avg: 24.4%)

98.5% (T17th)

FLD%

(T28th) 98.2%

How often does the defense avoid errors?

(League Avg: 98.6%)

Matchup Breakdown

Seattle's offense: Near the bottom of the league in virtually every meaningful hitting category, from contact rate to on-base ability to overall run production. They struggle to put the ball in play consistently and carry very little power threat through most of the lineup.

Colorado's offense: One of the more productive lineups in the game, ranking among the top tier in hitting for average, getting on base, and generating extra-base damage. They score runs at a strong clip and make consistent, hard contact on most nights.

Seattle's pitching: Clearly the better staff on the field tonight, with a walk-plus-hit rate that ranks among the better marks in the league. Their overall run prevention sits below the league midpoint and they give up home runs more than you'd like, but compared to what Colorado puts out there, this rotation looks notably more dependable.

Colorado's pitching: Last in the league across nearly every pitching category, from runs allowed to hits surrendered per game. Batters make easy contact against Colorado arms, the staff rarely misses bats, and they rank near the very bottom in fielding as well, creating conditions where even ordinary lineups can score freely.

Overall: Colorado holds the stronger side of this matchup, built on one of the better lineups in baseball running up against a Seattle pitching staff that has been below average all season. The sharper collision is Colorado's potent offense against Seattle's hittable rotation, and that pairing points toward Colorado as the more complete team. The one complication is that Colorado's own pitching is the most hittable staff in the league, meaning even Seattle's struggling lineup has a reasonable path to the scoreboard, so both the run total and Colorado's run line deserve attention here.

Pitching Matchup

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

Kade Anderson

LEFTY · SEA

Rank

#5 · Back-End

Record

1-1

ERA

4.29

SEA vs Lefties

(Season)

46-54

SEA vs Lefties

(Season OPS)

5th of 30

SEA vs Lefties

(L20 OPS)

18th of 30

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

Ryan Feltner

RIGHTY · COL

Rank

#4 · Back-End

Record

5-10

ERA

5.88

COL vs Righties

(Season)

17-30

COL vs Righties

(Season OPS)

28th of 30

COL vs Righties

(L20 OPS)

6th of 30

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

The Read

Seattle's starter: Kade Anderson is a back-end lefty who generates fly-ball outs rather than keeping the ball on the ground, which can play into trouble when a lineup makes hard contact in the air.

Colorado's starter: Ryan Feltner has been one of the more hittable arms in the league this season, struggling to command the zone and giving opponents plenty of baserunners to work with all year.

The lineups: Seattle has been a strong right-handed pitching lineup on the season, ranking near the top of the league in production against that hand, though that edge has cooled meaningfully in recent weeks. Colorado has been one of the worst lineups in baseball against left-handed pitching all season, though they have shown a genuine uptick against southpaws lately.

Overall: Feltner carries the weaker pitcher profile tonight by a clear margin, and Seattle has the season-long track record against right-handed pitching to take advantage of his tendency to walk batters and surrender hits. Anderson holds the mound edge, partly because Colorado has been a genuine liability against left-handers over the full year, even if their recent form against that hand complicates the picture. The pitching gap favors Seattle, with Feltner's command issues making him the more exploitable arm.

Team Conditions

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

SEACOL

Bullpen

4.55 ERA

(23rd of 30)

4.97 ERA

(27th of 30)

Closer pitched recently but should be OK.

Closer is rested and ready.

One setup reliever may be limited tonight.

Middle relief has been used a bit.

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

No day off before this road game.

Limited time to recover.

InjuryKey Players

N. Davila (RP) - SEP 6

M. Brash (RP) - SEP 4

B. Donovan (3B) - SEP 3

B. Davis (CF) - SEP 3

C. Emerson (SS) - AUG 31

E. Hancock (SP) - AUG 30

L. Raley (RF) - AUG 19

C. Wilcox (RP) - AUG 7

W. Wilson (3B) - JUN 17

L. Evans (SP) - MAY 8

S. Sullivan (SP) - SEP 11

J. Quintana (SP) - SEP 8

K. Freeland (SP) - SEP 8

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

Seattle's bullpen: Below average by league ERA standards, Seattle's pen is functional heading into tonight, with the closer available after recent work and one setup arm potentially limited. Middle and long relief are in reasonable shape overall.

Colorado's bullpen: One of the worst bullpens in baseball by ERA, Colorado's relief corps carries added strain tonight, with the long reliever likely unavailable after recent use and middle relief being overworked by the manager. The closer is the one arm coming in truly fresh.

Rest: Both clubs are on identical footing, normal schedule with no extra recovery day and a tight turnaround. Travel adds a minor burden for Seattle as the road team, but neither side holds a meaningful rest edge.

Injuries: Colorado is in rougher shape on the mound, with Sullivan, Quintana, and Freeland all recently lost as key starters alongside Dollander, and Bryant and Castro also missing from the everyday lineup. Seattle is without key contributors in Donovan, Emerson, Raley, Hancock, and Evans, a real list, but Colorado's pitching staff losses are more severe and more directly relevant to how tonight's game is likely to be shaped.

Overall: The conditions tilt toward Seattle. Colorado's bullpen is worse by measure and more taxed coming in, and losing multiple key starters recently forces the Rockies to lean heavily on that already strained relief corps. Seattle has its own injury concerns, but the Mariners carry a cleaner pitching situation into tonight and face a Colorado team that is quietly compromised in several areas at once.

Weather and Ballpark

Game-time conditions and how this park actually plays.

74°F

Coors Field

Open Air

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

Temperature: Little effect on carry either way in this range — Neutral

Wind: 4mph Crosswind to Left Field → Neutral

The Read

Ballpark: Coors Field is the most run-friendly venue in baseball, where thin mountain air turns routine fly balls into extra bases and scoring totals routinely outpace what the same lineups would produce anywhere else. Pitchers surrendering any hard contact here pay a steeper price than they would in virtually any other park.

Weather: Tonight's temperature falls in a range that neither deadens nor boosts ball flight in any meaningful way, and the light crosswind blowing toward left field is too gentle to serve as a real scoring amplifier or suppressor.

Overall: The park is the headline tonight, not the weather, and Coors on its own is reason enough to shade toward the over. Colorado's lineup carries substantially more slug and on-base ability than Seattle's, making the Rockies the side better positioned to exploit the altitude. Seattle's offense is among the quieter in the league, so the conditions help both clubs, but they help one considerably more.

Side Write-Up

🔒 Final pick drops September 20

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 20

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+

Followers Across All Socials

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.

On this page

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