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Early Preview Lineups: Confirmed Odds Posted 6 min read

Chicago White Sox vs Cleveland Guardians Preview

CWS at CLE 2026-09-15 preview: probable pitchers, projected lineups, NRFI/F5 model picks, weather, ballpark, and umpire context.

Chicago White Sox at Cleveland Guardians MLB game preview for September 15, 2026
CWS
Chicago White Sox
Chris Murphy LHP
@
6:40 PM ET
Progressive Field
CLE
Cleveland Guardians
Foster Griffin LHP
Last updated Tuesday, September 15, 2026
Final This game has finished. Read the recap for final score, model grades, and box score.

Key Facts

Matchup
Chicago White Sox at Cleveland Guardians
Date
Tuesday, September 15, 2026
First Pitch
6:40 PM ET
Venue
Progressive Field
Probable Starters
Chris Murphy (LHP) vs Foster Griffin (LHP)
Lineups
Confirmed
Odds Snapshot
Sep 15, 6:40 PM ET
Last Updated
Sep 15, 4:23 PM ET

Betting Board

Snapshot Sep 15, 6:40 PM ET
Moneyline
CWS +136
CLE -146
Total
Over 9 -103
Under 9 -117
Run Line
CWS +1.5 -162
CLE -1.5 +134

Model Angles

NRFI Model
NRFI · 59%
+8.5% edge
Projected Total
2.6
model combined runs
Park Factor
1.01
Neutral · HR 0.98
First Pitch Weather
84°F
11 mph S
The Chicago White Sox visit the Cleveland Guardians at 6:40 PM ET at Progressive Field. Probable starters: Chris Murphy for Chicago White Sox opposite Foster Griffin for Cleveland Guardians. 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: Chris Murphy (Chicago White Sox) vs Foster Griffin (Cleveland Guardians).
  • Lineup status: confirmed by both teams.
  • NRFI model: 59% probability, lean NRFI, +8.5% edge.

Pitching Matchup

CWS Away
Chris Murphy
LHP · 3-0 · 2 GS
ERA
3.94
WHIP
1.34
K/9
9.56
IP
32.0
Career: 4.09 ERA · 1.32 WHIP · 8.90 K/9
CLE Home
Foster Griffin
LHP · 15-5 · 29 GS
ERA
3.65
WHIP
1.18
K/9
8.08
IP
162.2
Career: 3.80 ERA · 1.20 WHIP · 7.96 K/9
NRFI: 80.0%
1st Inn ERA: 3.60

On the season, Foster Griffin holds the ERA edge in this matchup. Chris Murphy carries a 3.94 ERA and 1.34 WHIP, while Foster Griffin sits at 3.65 ERA and 1.18 WHIP.
Strikeout rates: Chris Murphy at 9.56 K/9, Foster Griffin at 8.08 K/9.
K projections: Chris Murphy at 1.5 (line 4.0)
Foster Griffin projected at 3.0 (line 4.5).
Foster Griffin has a 80.0% career NRFI rate. No first-inning data available for Chris Murphy.
Both starters throw from the L side, limiting platoon splits for either lineup.

Strikeout Projections

Chris Murphy vs CLE
Proj: 1.5Line: 4.0
-2.5
Confidence:
Foster Griffin vs CWS
Proj: 3.0Line: 4.5
-1.5
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.

Chris Murphy (Chicago White Sox) is projected for 1.5 strikeouts against a posted line of 4.0. The projection sits 2.5 K below the line, giving the model an Under lean.
He faces a moderate-K lineup that strikes out at 21.3% with a 28.0% whiff rate.

Foster Griffin (Cleveland Guardians) is projected for 3.0 strikeouts against a posted line of 4.5. The projection sits 1.5 K below the line, giving the model an Under lean.
He faces a high-K lineup that strikes out at 24.9% with a 28.0% whiff rate.

The Chicago White Sox lineup is more vulnerable to strikeouts in this matchup. Cleveland Guardians batters K at 21.3%, Chicago White Sox batters at 24.9%.

NRFI & First 5 Analysis

NRFI Model
59.0%
probability of NRFI
+8.5%
market edge
Monitor
Market implied: 50.5%Model: 59.0%
First 5 Innings
1.4est. F5 runs
CWS
3.94 ERA
16.0 inn/start
CLE
3.65 ERA
5.6 inn/start
F5 lean: Even matchup
CWS K Projection
Chris Murphy
1.5proj
Line: 4.0
-2.5 UNDER
Confidence
CLE K Projection
Foster Griffin
3.0proj
Line: 4.5
-1.5 UNDER
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 59.0% probability of no runs in the first inning, compared to the market's implied probability of 50.5%.

  • That creates a moderate 8.5% edge on NRFI.
  • The best available line is NRFI -102 / YRFI -118 at DraftKings.
  • Home plate umpire David Rackley runs a wide zone. See the umpire section below for full career data.
  • Our NRFI model sits at 156-143 (52.2%) on official picks this season.

Prop Edges

3 model signals detected
Hits
65.6%
Chris Murphy
Strikeouts Under 4.0
Foster Griffin
Strikeouts Under 4.5
See all today's picks and edges

Lineup & Matchup Breakdown

Chicago White Sox Confirmed
K%: 24.9
2Randal GrichukRDH
Whiff rate: 28.0%Team page
Cleveland Guardians Confirmed
K%: 21.3
Whiff rate: 28.0%Team page
Batter vs Pitcher matchup tool

Lineups are confirmed as of this writing.

Chicago White Sox K vulnerability: 24.9% strikeout rate, 28.0% whiff rate.

Cleveland Guardians K vulnerability: 21.3% strikeout rate, 28.0% whiff rate.

Ballpark, Weather & Umpire

Progressive Field
Run Factor1.01
HR Factor0.98
Full park profile
Home Plate Umpire
David Rackley
Average NRFI: 42.9% 7 games
Full umpire profile
Hourly Game Forecast
84°
6 PM
11 mph
S
81°
7 PM
10 mph
S
81°
8 PM
10 mph
S
81°
9 PM
10 mph
S
  • Progressive Field carries a 1.01 run factor (neutral).
  • Home run factor: 0.98 — the park neutral for HR power.
  • Park notes: Modern playing surface; Relatively neutral dimensions; High elevation for AL Central.
  • First pitch forecast: 84F with 11 mph winds from the S. Humidity: 42%.
  • Wind advisory: 11 mph winds from the S may impact fly balls.
  • Home plate umpire: David Rackley.
  • Career NRFI rate: 42.9% across 7 games tracked.
  • Zone tendency: Average.
  • K factor: 1.006 (league average strikeouts in his games).

Run Projections & Total

  • Our projection model puts the total at 2.6 combined runs, with Chicago White Sox projected for 0.0 and Cleveland Guardians for 2.6.
  • That's 6.4 runs below the posted total of 9.0, suggesting a lean toward the Under.
  • The run projection favors Cleveland Guardians by 2.6 runs.
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.