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Early Preview Lineups: Projected Odds Posted 6 min read

Boston Red Sox vs Detroit Tigers Preview

Boston Red Sox visit Detroit Tigers at Comerica Park with Jovani Morán facing Framber Valdez. Betting angles and matchup breakdown

Boston Red Sox at Detroit Tigers MLB game preview for May 5, 2026
BOS
Boston Red Sox
Jovani Morán LHP
@
6:40 PM ET
Comerica Park
DET
Detroit Tigers
Framber Valdez LHP
Last updated Tuesday, May 5, 2026
Final This game has finished. Read the recap for final score, model grades, and box score.

Key Facts

Matchup
Boston Red Sox at Detroit Tigers
Date
Tuesday, May 5, 2026
First Pitch
6:40 PM ET
Venue
Comerica Park
Probable Starters
Jovani Morán (LHP) vs Framber Valdez (LHP)
Lineups
Projected
Odds Snapshot
May 5, 6:41 PM ET
Last Updated
May 5, 6:04 PM ET

Betting Board

Snapshot May 5, 6:41 PM ET
Moneyline
BOS +133
DET -142
Total
Over 8.5 -102
Under 8.5 -120
Run Line
BOS +1.5 -170
DET -1.5 +140

Model Angles

NRFI Model
NRFI · 55%
+4.4% edge
Projected Total
4.9
model combined runs
Park Factor
0.98
Neutral · HR 0.95
First Pitch Weather
58°F
11.4 mph W
The Boston Red Sox travel to Comerica Park on Thursday evening to face the Detroit Tigers in a 6:40 PM ET matchup featuring left-handers on both sides. Jovani Morán takes the ball for Boston with a 2.33 ERA, 1.09 WHIP, and 7.91 strikeouts per nine innings. Detroit counters with Framber Valdez, who brings a 3.35 ERA, 1.26 WHIP, and 7.14 strikeouts per nine. The Red Sox enter at 14-21 following a one-game winning streak, while the Tigers sit at 18-18 after a one-game losing streak. The projected total stands at 4.9 runs with both teams expected to score 2.5. Weather conditions call for 58 degrees with an 11 mph wind blowing from the west, and Comerica Park carries a 0.98 runs park factor.
  • Morán holds 2.33 ERA and 1.09 WHIP for Boston
  • Valdez counters with 3.35 ERA and 7.14 strikeouts per nine
  • Colt Keith bats .308 versus left-handed pitching

Pitching Matchup

BOS Away
Jovani Morán
LHP · 0-0 · 0 GS
ERA
2.33
WHIP
1.09
K/9
7.91
IP
19.1
Career: 3.94 ERA · 1.31 WHIP · 10.55 K/9
DET Home
Framber Valdez
LHP · 2-1 · 7 GS
ERA
3.35
WHIP
1.26
K/9
7.14
IP
40.1
Career: 3.36 ERA · 1.21 WHIP · 8.71 K/9
NRFI: 73.5%
1st Inn ERA: 4.09

On the season, Jovani Morán holds the ERA edge in this matchup. Jovani Morán carries a 2.33 ERA and 1.09 WHIP, while Framber Valdez sits at 3.35 ERA and 1.26 WHIP.
Strikeout rates: Jovani Morán at 7.91 K/9, Framber Valdez at 7.14 K/9.
K projections: Jovani Morán at 2.8 (line 5.5)
Framber Valdez projected at 5.2 (line 5.5).
Framber Valdez has a 73.5% career NRFI rate. No first-inning data available for Jovani Morán.
Both starters throw from the L side, limiting platoon splits for either lineup.

Strikeout Projections

Jovani Morán vs DET
Proj: 2.8Line: 5.5
-2.7
Confidence:
Framber Valdez vs BOS
Proj: 5.2Line: 5.5
-0.3
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.

Jovani Morán (Boston Red Sox) is projected for 2.8 strikeouts against a posted line of 5.5. The projection sits 2.7 K below the line, giving the model an Under lean.
He faces a high-K lineup that strikes out at 24.3% with a 28.0% whiff rate.

Framber Valdez (Detroit Tigers) is projected for 5.2 strikeouts against a posted line of 5.5. The projection is close to the line with no actionable edge.
He faces a high-K lineup that strikes out at 24.6% with a 28.0% whiff rate.

The Boston Red Sox lineup is more vulnerable to strikeouts in this matchup. Detroit Tigers batters K at 24.3%, Boston Red Sox batters at 24.6%.

NRFI & First 5 Analysis

NRFI Model
54.9%
probability of NRFI
+4.4%
market edge
Monitor
Market implied: 50.5%Model: 54.9%
First 5 Innings
2.7est. F5 runs
BOS
2.33 ERA
DET
3.35 ERA
5.7 inn/start
F5 lean: Moderate BOS
BOS K Projection
Jovani Morán
2.8proj
Line: 5.5
-2.7 UNDER
Confidence
DET K Projection
Framber Valdez
5.2proj
Line: 5.5
-0.3 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 54.9% probability of no runs in the first inning, compared to the market's implied probability of 50.5%.

  • That creates a slim 4.4% edge on NRFI.
  • The best available line is NRFI -102 / YRFI -120 at FanDuel.
  • Home plate umpire Adam Beck runs a tight zone. See the umpire section below for full career data.
  • Our NRFI model sits at 41-39 (51.2%) on official picks this season.

Prop Edges

1 model signal detected
Jovani Morán
Strikeouts Under 5.5
See all today's picks and edges

Lineup & Matchup Breakdown

Detroit Tigers Projected
K%: 24.3
9Colt KeithL3B
Whiff rate: 28.0%Team page
Batter vs Pitcher matchup tool

Lineups are projected as of this writing.

Boston Red Sox K vulnerability: 24.6% strikeout rate, 28.0% whiff rate.

Detroit Tigers K vulnerability: 24.3% strikeout rate, 28.0% whiff rate.

Ballpark, Weather & Umpire

Comerica Park
Run Factor0.98
HR Factor0.95
Full park profile
Home Plate Umpire
Adam Beck
Slightly wide NRFI: 53.7% 95 games
Full umpire profile
Hourly Game Forecast
58°
6 PM
11 mph
W
57°
7 PM
7 mph
W
57°
8 PM
7 mph
W
57°
9 PM
7 mph
W
  • Comerica Park carries a 0.98 run factor (neutral).
  • Home run factor: 0.95 — the park neutral for HR power.
  • Park notes: Very deep center field (420ft); Tiered elevation; Wind patterns from Great Lakes.
  • First pitch forecast: 58F with 11 mph winds from the W. Humidity: 56%.
  • Wind advisory: 11 mph winds from the W may impact fly balls.
  • Home plate umpire: Adam Beck.
  • Career NRFI rate: 53.7% across 95 games tracked.
  • Zone tendency: Slightly wide.
  • K factor: 0.985 (league average strikeouts in his games).

Run Projections & Total

  • Our projection model puts the total at 4.9 combined runs, with Boston Red Sox projected for 2.5 and Detroit Tigers for 2.5.
  • That's 3.6 runs below the posted total of 8.5, suggesting a lean toward the Under.
  • The run projection is essentially a coin flip between these two teams.
The Bottom Line
This low-scoring projection features two southpaws with contrasting profiles. Morán projects for 2.8 strikeouts against a 5.5 line favoring the under, while Valdez projects closer to his 5.2 strikeout line. The NRFI carries a 55 percent probability with a 4.4 percent edge.
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.