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Philadelphia Phillies vs Chicago Cubs Preview

Philadelphia Phillies vs Chicago Cubs preview with model projections: Jesús Luzardo projected 6.0 K (line 5.5), NRFI probability 59%. Full breakdown inside

Philadelphia Phillies at Chicago Cubs MLB game preview for April 21, 2026
PHI
Philadelphia Phillies
Jesús Luzardo LHP
@
7:40 PM ET
Wrigley Field
CHC
Chicago Cubs
Shota Imanaga LHP
Last updated Tuesday, April 21, 2026
Final This game has finished. Read the recap for final score, model grades, and box score.

Key Facts

Matchup
Philadelphia Phillies at Chicago Cubs
Date
Tuesday, April 21, 2026
First Pitch
7:40 PM ET
Venue
Wrigley Field
Probable Starters
Jesús Luzardo (LHP) vs Shota Imanaga (LHP)
Lineups
Projected
Odds Snapshot
Apr 21, 7:41 PM ET
Last Updated
Apr 21, 6:09 PM ET

Betting Board

Snapshot Apr 21, 7:41 PM ET
Moneyline
PHI +116
CHC -126
Total
Over 8.5 -120
Under 8.5 -102
Run Line
PHI +1.5 -205
CHC -1.5 +168

Model Angles

NRFI Model
NRFI · 59%
+4.5% edge · playable
Projected Total
2.1
model combined runs
Park Factor
1.05
Neutral · HR 1.09
First Pitch Weather
72°F
5 mph WSW
The Philadelphia Phillies visit the Chicago Cubs at 7:40 PM ET at Wrigley Field. Probable starters: Jesús Luzardo for Philadelphia Phillies opposite Shota Imanaga for Chicago Cubs. Lineups are projected until first pitch. 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: Jesús Luzardo (Philadelphia Phillies) vs Shota Imanaga (Chicago Cubs).
  • Lineup status: projected until official release.
  • NRFI model: 59% probability, lean NRFI, +4.5% edge.

Pitching Matchup

PHI Away
Jesús Luzardo
LHP · 1-3 · 4 GS
ERA
7.94
WHIP
1.46
K/9
11.91
IP
22.2
Career: 4.31 ERA · 1.25 WHIP · 10.09 K/9
NRFI: 79.7%
1st Inn ERA: 3.30
CHC Home
Shota Imanaga
LHP · 1-1 · 4 GS
ERA
2.45
WHIP
0.77
K/9
12.68
IP
22.0
Career: 3.23 ERA · 0.99 WHIP · 8.52 K/9
NRFI: 69.8%
1st Inn ERA: 5.54

On the season, Shota Imanaga holds the ERA edge in this matchup. Jesús Luzardo carries a 7.94 ERA and 1.46 WHIP, while Shota Imanaga sits at 2.45 ERA and 0.77 WHIP.
Strikeout rates: Jesús Luzardo at 11.91 K/9, Shota Imanaga at 12.68 K/9.
K projections: Jesús Luzardo at 6.0 (line 5.5)
Shota Imanaga projected at 5.6 (line 6.5).
First-inning scoring: Jesús Luzardo holds a 79.7% career NRFI rate, Shota Imanaga at 69.8%. Combined average: 74.7%.
Both starters throw from the L side, limiting platoon splits for either lineup.

Strikeout Projections

Jesús Luzardo vs CHC
Proj: 6.0Line: 5.5
+0.5
Confidence:
Shota Imanaga vs PHI
Proj: 5.6Line: 6.5
-0.9
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.

Jesús Luzardo (Philadelphia Phillies) is projected for 6.0 strikeouts against a posted line of 5.5. 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.

Shota Imanaga (Chicago Cubs) is projected for 5.6 strikeouts against a posted line of 6.5. 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 Philadelphia Phillies lineup is more vulnerable to strikeouts in this matchup. Chicago Cubs batters K at 22.0%, Philadelphia Phillies batters at 22.0%.

NRFI & First 5 Analysis

NRFI Model
59.0%
probability of NRFI
+4.5%
market edge
Signal
Market implied: 54.5%Model: 59.0%
First 5 Innings
1.2est. F5 runs
PHI
7.94 ERA
5.5 inn/start
CHC
2.45 ERA
5.5 inn/start
F5 lean: Strong CHC
PHI K Projection
Jesús Luzardo
6.0proj
Line: 5.5
+0.5 NEUTRAL
Confidence
CHC K Projection
Shota Imanaga
5.6proj
Line: 6.5
-0.9 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 59.0% probability of no runs in the first inning, compared to the market's implied probability of 54.5%.

  • That creates a slim 4.5% edge on NRFI.
  • The best available line is NRFI -120 / YRFI -102 at FanDuel.
  • This qualifies as a playable in our publication system.
  • Home plate umpire Vic Carapazza runs a wide zone. See the umpire section below for full career data.
  • Our NRFI model sits at 17-23 (42.5%) on official picks this season.

Prop Edges

6 model signals detected
Home Run Elite 0.5
26%
Hits
65.7%
Home Run Elite 0.5
18.2%
Alec BohmSignal
Hits
64.3%
Home Run Very Strong 0.5
15.8%
Home Run Very Strong 0.5
15.3%
See all today's picks and edges

Lineup & Matchup Breakdown

Philadelphia Phillies Projected
K%: 22.0
Projected batting order unavailable. This will update when probable or confirmed lineup data is available.
Whiff rate: 28.0%Team page
Chicago Cubs Projected
2Seiya SuzukiRRF
Batter vs Pitcher matchup tool

Lineups are projected as of this writing.

Chicago Cubs K vulnerability: 22.0% strikeout rate, 28.0% whiff rate.

Ballpark, Weather & Umpire

Wrigley Field
Run Factor1.05
HR Factor1.09
Full park profile
Home Plate Umpire
Vic Carapazza
Average NRFI: 52.0% 98 games
Full umpire profile
Hourly Game Forecast
72°
7 PM
5 mph
WSW
72°
8 PM
5 mph
WSW
72°
9 PM
5 mph
WSW
72°
10 PM
5 mph
WSW
  • Wrigley Field carries a 1.05 run factor (neutral).
  • Home run factor: 1.09 — the park elevates HR power.
  • Park notes: Ivy-covered left field wall; Wind factor from Lake Michigan; High wall in left (11.5ft).

First pitch forecast: 72F with 5 mph winds from the WSW. Humidity: 56%.

  • Home plate umpire: Vic Carapazza.
  • Career NRFI rate: 52.0% across 98 games tracked.
  • Zone tendency: Average.
  • K factor: 1.029 (above average strikeouts in his games).

Run Projections & Total

  • Our projection model puts the total at 2.1 combined runs, with Philadelphia Phillies projected for 0.0 and Chicago Cubs for 2.1.
  • That's 6.4 runs below the posted total of 8.5, suggesting a lean toward the Under.
  • The run projection favors Chicago Cubs by 2.1 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. 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.