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San Diego Padres vs Colorado Rockies Preview

San Diego Padres vs Colorado Rockies preview with model projections: Matt Waldron projected 4.7 K (line 3.5), NRFI probability 40%. Full breakdown inside

San Diego Padres at Colorado Rockies MLB game preview for April 23, 2026
SD
San Diego Padres
Matt Waldron RHP
@
3:10 PM ET
Coors Field
COL
Colorado Rockies
Ryan Feltner RHP
Last updated Thursday, April 23, 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, April 23, 2026
First Pitch
3:10 PM ET
Venue
Coors Field
Probable Starters
Matt Waldron (RHP) vs Ryan Feltner (RHP)
Lineups
TBD
Odds Snapshot
Apr 23, 3:11 PM ET
Last Updated
Apr 23, 7:08 AM ET

Betting Board

Snapshot Apr 23, 3:11 PM ET
Moneyline
SD -145
COL +134
Total
Over 11 -115
Under 11 -105
Run Line
SD -1.5 +100
COL +1.5 -120

Model Angles

NRFI Model
YRFI · 40%
-11.7% edge
Projected Total
TBD
Park Factor
1.25
Hitter friendly · HR 1.47
First Pitch Weather
62°F
8.5 mph W
The San Diego Padres visit the Colorado Rockies at 3:10 PM ET at Coors Field. Probable starters: Matt Waldron for San Diego Padres opposite Ryan Feltner for Colorado Rockies. Lineups are not yet posted. 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: Matt Waldron (San Diego Padres) vs Ryan Feltner (Colorado Rockies).
  • Lineup status: not yet posted.
  • NRFI model: 40% probability, lean YRFI, -11.7% edge.

Pitching Matchup

SD Away
Matt Waldron
RHP · 0-1 · 2 GS
ERA
12.46
WHIP
2.31
K/9
7.27
IP
8.2
Career: 5.19 ERA · 1.33 WHIP · 7.78 K/9
NRFI: 59.3%
1st Inn ERA: 8.67
COL Home
Ryan Feltner
RHP · 1-1 · 5 GS
ERA
6.30
WHIP
1.50
K/9
7.65
IP
20.0
Career: 5.25 ERA · 1.43 WHIP · 7.71 K/9
NRFI: 72.0%
1st Inn ERA: 4.87

On the season, Ryan Feltner holds the ERA edge in this matchup. Matt Waldron carries a 12.46 ERA and 2.31 WHIP, while Ryan Feltner sits at 6.30 ERA and 1.50 WHIP.
Strikeout rates: Matt Waldron at 7.27 K/9, Ryan Feltner at 7.65 K/9.
K projections: Matt Waldron at 4.7 (line 3.5)
Ryan Feltner projected at 4.5 (line 3.5).
First-inning scoring: Matt Waldron holds a 59.3% career NRFI rate, Ryan Feltner at 72.0%. Combined average: 65.6%.
Both starters throw from the R side, limiting platoon splits for either lineup.

Strikeout Projections

Matt Waldron vs COL
Proj: 4.7Line: 3.5
+1.2
Confidence:
Ryan Feltner vs SD
Proj: 4.5Line: 3.5
+1.0
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.

Matt Waldron (San Diego Padres) is projected for 4.7 strikeouts against a posted line of 3.5. The projection is close to the line with no actionable edge.
He faces a moderate-K lineup that strikes out at 22.0% with a 28.0% whiff rate.

Ryan Feltner (Colorado Rockies) is projected for 4.5 strikeouts against a posted line of 3.5. The projection is close to the line with no actionable edge.
He faces a moderate-K lineup that strikes out at 22.0% with a 28.0% whiff rate.

The San Diego Padres lineup is more vulnerable to strikeouts in this matchup. Colorado Rockies batters K at 22.0%, San Diego Padres batters at 22.0%.

NRFI & First 5 Analysis

NRFI Model
40.0%
probability of YRFI
+-11.7%
market edge
Monitor
Market implied: 51.7%Model: 40.0%
First 5 Innings
SD
12.46 ERA
4.1 inn/start
COL
6.30 ERA
4.0 inn/start
F5 lean: Strong COL
SD K Projection
Matt Waldron
4.7proj
Line: 3.5
+1.2 NEUTRAL
Confidence
COL K Projection
Ryan Feltner
4.5proj
Line: 3.5
+1.0 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 40.0% probability of no runs in the first inning, compared to the market's implied probability of 51.7%.

  • That creates a slim -11.7% edge on YRFI.
  • The best available line is NRFI -107 / YRFI -121 at DraftKings.
  • Home plate umpire Roberto Ortiz runs a average zone. See the umpire section below for full career data.
  • Our NRFI model sits at 20-25 (44.4%) on official picks this season.

Prop Edges

6 model signals detected
Hits (1+) Lean Hit 0.5
66.5%
Hits (1+) Lean Hit 0.5
65.2%
Hits (1+) Lean Hit 0.5
64.4%
Hits (1+) Lean Hit 0.5
65.3%
Hits (1+) Lean Hit 0.5
64.3%
Home Run Strong 0.5
12.8%
See all today's picks and edges

Lineup & Matchup Breakdown

San Diego Padres Projected
Projected batting order unavailable. This will update when probable or confirmed lineup data is available.
Colorado Rockies Projected
Projected batting order unavailable. This will update when probable or confirmed lineup data is available.
Batter vs Pitcher matchup tool

Lineups are unavailable as of this writing.

Ballpark, Weather & Umpire

Coors Field
Run Factor1.25
HR Factor1.47
Full park profile
Home Plate Umpire
Roberto Ortiz
Average NRFI: 48.3% 87 games
Full umpire profile
Hourly Game Forecast
62°
3 PM
9 mph
W
63°
4 PM
12 mph
W
64°
5 PM
12 mph
NW
64°
6 PM
9 mph
NW
  • 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: 62F with 8 mph winds from the W. Humidity: 14%.
  • Wind advisory: 8 mph winds from the W may impact fly balls.
  • Home plate umpire: Roberto Ortiz.
  • Career NRFI rate: 48.3% across 87 games tracked.
  • Zone tendency: Average.
  • K factor: 0.962 (below average strikeouts in his games).

Run Projections & Total

Run projections not available for this game.

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. 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.