Early Preview Lineups: Confirmed Odds Posted 6 min read

San Diego Padres vs Colorado Rockies Preview

SD at COL 2026-09-17 preview: probable pitchers, projected lineups, NRFI/F5 model picks, weather, ballpark, and umpire context.

San Diego Padres at Colorado Rockies MLB game preview for September 17, 2026
SD
San Diego Padres
Michael King RHP
@
3:10 PM ET
Coors Field
COL
Colorado Rockies
Tanner Gordon RHP
Last updated Thursday, September 17, 2026
Final This game has finished. Read the recap for final score, model grades, and box score.

Key Facts

Matchup
San Diego Padres at Colorado Rockies
Date
Thursday, September 17, 2026
First Pitch
3:10 PM ET
Venue
Coors Field
Probable Starters
Michael King (RHP) vs Tanner Gordon (RHP)
Lineups
Confirmed
Odds Snapshot
Sep 17, 3:10 PM ET
Last Updated
Sep 17, 6:21 PM ET

Betting Board

Snapshot Sep 17, 3:10 PM ET
Moneyline
SD -186
COL +169
Total
Over 10.5 -121
Under 10.5 +101
Run Line
SD -1.5 -124
COL +1.5 +103

Model Angles

NRFI Model
NRFI · 47%
+31.5% edge
Projected Total
5.9
model combined runs
Park Factor
1.25
Hitter friendly · HR 1.47
First Pitch Weather
77°F
5.5 mph WNW
The San Diego Padres visit the Colorado Rockies at 3:10 PM ET at Coors Field. Probable starters: Michael King for San Diego Padres opposite Tanner Gordon for Colorado Rockies. Lineups are confirmed. This preview is built deterministically from projected lineups, probable starters, NRFI model context, market prices, first-pitch weather, park factors, and TheCapperIO model context.
  • Starter matchup: Michael King (San Diego Padres) vs Tanner Gordon (Colorado Rockies).
  • Lineup status: confirmed by both teams.
  • NRFI model: 47% probability, lean NRFI, +31.5% edge.

Pitching Matchup

SD Away
Michael King
RHP · 12-9 · 31 GS
ERA
3.03
WHIP
1.16
K/9
7.66
IP
181.0
Career: 3.18 ERA · 1.18 WHIP · 9.50 K/9
NRFI: 77.4%
1st Inn ERA: 3.40
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: 60.7%
1st Inn ERA: 6.39

On the season, Michael King holds the ERA edge in this matchup. Michael King carries a 3.03 ERA and 1.16 WHIP, while Tanner Gordon sits at 6.01 ERA and 1.55 WHIP.
Strikeout rates: Michael King at 7.66 K/9, Tanner Gordon at 7.53 K/9.
K projections: Michael King at 3.7 (line 4.5)
Tanner Gordon projected at 3.1 (line 3.5).
First-inning scoring: Michael King holds a 77.4% career NRFI rate, Tanner Gordon at 60.7%. Combined average: 69.0%.
Both starters throw from the R side, limiting platoon splits for either lineup.

Strikeout Projections

Michael King vs COL
Proj: 3.7Line: 4.5
-0.8
Confidence:
Tanner Gordon vs SD
Proj: 3.1Line: 3.5
-0.4
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.

Michael King (San Diego Padres) is projected for 3.7 strikeouts against a posted line of 4.5. The projection is close to the line with no actionable edge.
He faces a high-K lineup that strikes out at 26.3% with a 28.0% whiff rate.

Tanner Gordon (Colorado Rockies) is projected for 3.1 strikeouts against a posted line of 3.5. The projection is close to the line with no actionable edge.
He faces a high-K lineup that strikes out at 24.2% with a 28.0% whiff rate.

The Colorado Rockies lineup is more vulnerable to strikeouts in this matchup. Colorado Rockies batters K at 26.3%, San Diego Padres batters at 24.2%.

NRFI & First 5 Analysis

NRFI Model
46.8%
probability of NRFI
+31.5%
market edge
Monitor
Market implied: 15.2%Model: 46.8%
First 5 Innings
3.3est. F5 runs
SD
3.03 ERA
5.8 inn/start
COL
6.01 ERA
9.1 inn/start
F5 lean: Strong SD
SD K Projection
Michael King
3.7proj
Line: 4.5
-0.8 NEUTRAL
Confidence
COL K Projection
Tanner Gordon
3.1proj
Line: 3.5
-0.4 NEUTRAL
Confidence
Explore all model projections

Our NRFI model analyzes both starting pitchers' first-inning profiles, the top-of-order hitters in each lineup, the umpire's historical zone, and environmental factors to produce a probability estimate. For this game, the model assigns a 46.8% probability of no runs in the first inning, compared to the market's implied probability of 15.2%.

  • That creates a strong 31.5% edge on NRFI.
  • The best available line is NRFI +557 / YRFI -1040 at DraftKings.
  • Home plate umpire Andy Fletcher runs a tight zone. See the umpire section below for full career data.
  • Our NRFI model sits at 158-146 (52.0%) on official picks this season.

Prop Edges

3 model signals detected
Hits (1+) Lean Hit 0.5
69.9%
Hits (1+) Lean Hit 0.5
68.4%
Hits (1+) Lean Hit 0.5
60.7%
See all today's picks and edges

Lineup & Matchup Breakdown

San Diego Padres Confirmed
K%: 24.2
3Jase BowenRCF
4Ty FranceR1B
6Xander BogaertsRSS
Whiff rate: 28.0%Team page
Colorado Rockies Confirmed
K%: 26.3
Whiff rate: 28.0%Team page
Batter vs Pitcher matchup tool

Lineups are confirmed as of this writing.

San Diego Padres K vulnerability: 24.2% strikeout rate, 28.0% whiff rate.

Colorado Rockies K vulnerability: 26.3% strikeout rate, 28.0% whiff rate.

Ballpark, Weather & Umpire

Coors Field
Run Factor1.25
HR Factor1.47
Full park profile
Home Plate Umpire
Andy Fletcher
Slightly tight NRFI: 71.4% 7 games
Full umpire profile
Hourly Game Forecast
77°
3 PM
6 mph
WNW
81°
4 PM
1 mph
S
82°
5 PM
4 mph
S
80°
6 PM
1 mph
ENE
  • 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: 77F with 6 mph winds from the WNW. Humidity: 56%.

  • Home plate umpire: Andy Fletcher.
  • Career NRFI rate: 71.4% across 7 games tracked.
  • Zone tendency: Slightly tight.
  • K factor: 0.904 (below average strikeouts in his games).

Run Projections & Total

  • Our projection model puts the total at 5.9 combined runs, with San Diego Padres projected for 2.9 and Colorado Rockies for 3.0.
  • That's 4.6 runs below the posted total of 10.5, suggesting a lean toward the Under.
  • The run projection is essentially a coin flip between these two teams.
The Bottom Line
This is a data-first preview, not a pick. Treat the NRFI model signal as context alongside the pitching matchup. Verify current odds before placing any bet. 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.