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Atlanta Braves vs Seattle Mariners Preview

Atlanta Braves (26-11) visit Seattle Mariners (17-20) as Martín Pérez faces Bryan Woo. Projected 4.7-run total at pitcher-friendly T-Mobile Park

Atlanta Braves at Seattle Mariners MLB game preview for May 6, 2026
ATL
Atlanta Braves
Martín Pérez LHP
@
4:10 PM ET
T-Mobile Park
SEA
Seattle Mariners
Bryan Woo RHP
Last updated Wednesday, May 6, 2026
Final This game has finished. Read the recap for final score, model grades, and box score.

Key Facts

Matchup
Atlanta Braves at Seattle Mariners
Date
Wednesday, May 6, 2026
First Pitch
4:10 PM ET
Venue
T-Mobile Park
Probable Starters
Martín Pérez (LHP) vs Bryan Woo (RHP)
Lineups
Projected
Odds Snapshot
May 6, 4:10 PM ET
Last Updated
May 6, 6:05 PM ET

Betting Board

Snapshot May 6, 4:10 PM ET
Moneyline
ATL +118
SEA -130
Total
Over 8 -118
Under 8 -104
Run Line
ATL +1.5 -194
SEA -1.5 +160

Model Angles

NRFI Model
NRFI · 53%
+9.0% edge
Projected Total
4.7
model combined runs
Park Factor
0.95
Neutral · HR 0.92
First Pitch Weather
Roof
Climate controlled
The Atlanta Braves bring a 26-11 record and a one-game winning streak to T-Mobile Park to face the Seattle Mariners, who sit at 17-20 following a one-game losing streak. Left-hander Martín Pérez takes the ball for Atlanta sporting a 2.38 ERA, 1.00 WHIP, and 6.35 strikeouts per nine innings. The Mariners counter with right-hander Bryan Woo, who carries a 4.02 ERA, 1.00 WHIP, and 7.28 strikeouts per nine. The projected total sits at just 4.7 runs, with Atlanta expected to score 2.4 and Seattle 2.3. T-Mobile Park offers a 0.95 runs park factor, reinforcing the pitcher-friendly environment. First pitch is scheduled for 4:10 PM ET under 72-degree temperatures with calm wind conditions.
  • Martín Pérez boasts a 2.38 ERA and 1.00 WHIP for Atlanta
  • Projected total of 4.7 runs in pitcher-friendly T-Mobile Park
  • Matt Olson leads key matchups with 18.5% barrel rate

Pitching Matchup

ATL Away
Martín Pérez
LHP · 2-1 · 5 GS
ERA
2.38
WHIP
1.00
K/9
6.35
IP
34.0
Career: 4.37 ERA · 1.43 WHIP · 6.36 K/9
SEA Home
Bryan Woo
RHP · 1-2 · 8 GS
ERA
4.02
WHIP
1.00
K/9
7.28
IP
47.0
Career: 3.29 ERA · 0.98 WHIP · 8.74 K/9
NRFI: 68.6%
1st Inn ERA: 4.92

On the season, Martín Pérez holds the ERA edge in this matchup. Martín Pérez carries a 2.38 ERA and 1.00 WHIP, while Bryan Woo sits at 4.02 ERA and 1.00 WHIP.
Strikeout rates: Martín Pérez at 6.35 K/9, Bryan Woo at 7.28 K/9.
K projections: Martín Pérez at 3.9 (line 3.5)
Bryan Woo projected at 4.6 (line 5.5).
Bryan Woo has a 68.6% career NRFI rate. No first-inning data available for Martín Pérez.
This is a LHP vs RHP matchup, creating potential platoon advantages in both lineups.

Strikeout Projections

Martín Pérez vs SEA
Proj: 3.9Line: 3.5
+0.4
Confidence:
Bryan Woo vs ATL
Proj: 4.6Line: 5.5
-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.

Martín Pérez (Atlanta Braves) is projected for 3.9 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 25.6% with a 28.0% whiff rate.

Bryan Woo (Seattle Mariners) is projected for 4.6 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 23.5% with a 28.0% whiff rate.

The Seattle Mariners lineup is more vulnerable to strikeouts in this matchup. Seattle Mariners batters K at 25.6%, Atlanta Braves batters at 23.5%.

NRFI & First 5 Analysis

NRFI Model
52.9%
probability of NRFI
+9.0%
market edge
Monitor
Market implied: 43.9%Model: 52.9%
First 5 Innings
2.6est. F5 runs
ATL
2.38 ERA
6.8 inn/start
SEA
4.02 ERA
5.9 inn/start
F5 lean: Moderate ATL
ATL K Projection
Martín Pérez
3.9proj
Line: 3.5
+0.4 NEUTRAL
Confidence
SEA K Projection
Bryan Woo
4.6proj
Line: 5.5
-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 52.9% probability of no runs in the first inning, compared to the market's implied probability of 43.9%.

  • That creates a moderate 9.0% edge on NRFI.
  • The best available line is NRFI +128 / YRFI -172 at FanDuel.
  • Home plate umpire Ryan Additon runs a average zone. See the umpire section below for full career data.
  • Our NRFI model sits at 42-41 (50.6%) on official picks this season.

Prop Edges

1 model signal detected
Matt Olson
Home Run Very Strong 0.5
14.3%
See all today's picks and edges

Lineup & Matchup Breakdown

Atlanta Braves Projected
K%: 23.5
6Matt OlsonL1B
Whiff rate: 28.0%Team page
Seattle Mariners Projected
K%: 25.6
Whiff rate: 28.0%Team page
Batter vs Pitcher matchup tool

Lineups are projected as of this writing.

Atlanta Braves K vulnerability: 23.5% strikeout rate, 28.0% whiff rate.

Seattle Mariners K vulnerability: 25.6% strikeout rate, 28.0% whiff rate.

Ballpark, Weather & Umpire

T-Mobile Park
Run Factor0.95
HR Factor0.92
Full park profile
Home Plate Umpire
Ryan Additon
Average NRFI: 46.7% 92 games
Full umpire profile
  • T-Mobile Park carries a 0.95 run factor (neutral).
  • Home run factor: 0.92 — the park suppresses HR power.
  • Park notes: Cool maritime climate; Lower wall in right field; Retractable roof.
  • Roof: Retractable.

Climate controlled. Roof expected closed. Standard 72F conditions, no wind factor.

  • Home plate umpire: Ryan Additon.
  • Career NRFI rate: 46.7% across 92 games tracked.
  • Zone tendency: Average.
  • K factor: 1.000 (league average strikeouts in his games).

Run Projections & Total

  • Our projection model puts the total at 4.7 combined runs, with Atlanta Braves projected for 2.4 and Seattle Mariners for 2.3.
  • That's 3.3 runs below the posted total of 8, suggesting a lean toward the Under.
  • The run projection is essentially a coin flip between these two teams.
The Bottom Line
This matchup features two pitchers with identical 1.00 WHIPs in a ballpark with a sub-1.00 runs factor. The projected total of 4.7 runs and a 53% NRFI probability reflect the low-scoring environment expected. Pérez projects for 3.9 strikeouts against a 3.5 line, while Woo projects 4.6 strikeouts against a 5.5 line.
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.