T‑Mobile Park, Seattle, WA
First Pitch: 9:40 PM ET / 6:40 PM PT
Broadcast: MASN, ROOT Sports Northwest, MLB.TV
A compelling AL matchup unfolds in Seattle as the Orioles (35–40) continue their West Coast swing while the Mariners (38–37) look to climb back above .500 and strengthen their Wild Card position. Baltimore sends Shane Baz, the electric right‑hander returning to form after injuries, while Seattle counters with Bryan Woo, one of the most efficient young starters in the AL. With both teams hovering around the middle of the standings, this matchup carries meaningful June implications.
Venue Information
T‑Mobile Park — Seattle, Washington
Opened: 1999
Capacity: ~47,000
Park Factors:
Pitcher‑friendly
Marine air suppresses home runs
Deep alleys reduce extra‑base hits
Roof may close if rain threatens
Weather Forecast (Seattle, WA)
Temperature: 63–67°F at first pitch
Humidity: 70–75%
Wind: 6–10 mph blowing in from left
Rain Chance: 20% (roof likely open, but could close mid‑game)
Impact:
Slightly suppresses offense
Boost to pitchers who work up in the zone
Hard for right‑handed pull hitters to leave the yard
Injury Report
Baltimore Orioles
Adley Rutschman — Healthy
Gunnar Henderson — Healthy
Anthony Santander — Healthy
Cedric Mullins — Questionable (quad)
Shane Baz — Healthy
Impact: If Mullins sits, Baltimore loses its best defensive outfielder and a key left‑handed bat against a right‑hander.
Seattle Mariners
Julio Rodríguez — Healthy
Cal Raleigh — Healthy
Ty France — Healthy
J.P. Crawford — Questionable (wrist)
Bryan Woo — Healthy
Impact: Crawford’s potential absence weakens Seattle’s on‑base ability and infield defense, but the core lineup remains intact.
Team Records & Recent Form
Baltimore Orioles (35–40)
Last 10: 5–5
Road Record: 16–22
Run Differential: -24
Trend: Pitching improving; offense inconsistent; bullpen volatile
Seattle Mariners (38–37)
Last 10: 6–4
Home Record: 22–16
Run Differential: +16
Trend: Rotation strong; offense streaky; bullpen stabilizing
Series History
2025 Season: Mariners won 4–2
Last 20 Meetings: Mariners lead 12–8
At T‑Mobile Park (last 10): Mariners lead 7–3
Seattle has consistently held the home‑field edge in this matchup.
Pitching Matchup Breakdown
BAL — Shane Baz (RHP)
2026 Stats: 3.79 ERA, 1.21 WHIP
Strengths: Upper‑90s fastball, sharp slider, high strikeout rate
Weaknesses: Command can drift; vulnerable to left‑handed contact hitters
Matchup Outlook:
Must navigate Rodríguez and Raleigh carefully
T‑Mobile Park’s dimensions favor Baz’s fly‑ball tendencies
Strong candidate for 5–6 innings if he limits walks
SEA — Bryan Woo (RHP)
2026 Stats: 3.33 ERA, 1.09 WHIP
Strengths: Elite command, deceptive fastball, excellent vs. right‑handers
Weaknesses: Can be hittable when working too much in the zone
Matchup Outlook:
Orioles’ lineup is right‑handed heavy, which plays into Woo’s strengths
Baltimore struggles vs. high‑command pitchers
Clear pitching advantage for Seattle
Key Player Matchups
1. Julio Rodríguez (SEA) vs. Shane Baz (BAL)
Rodríguez handles elite velocity well
Baz must keep the slider down and away
HR potential is moderate despite park factors
2. Adley Rutschman (BAL) vs. Bryan Woo (SEA)
Rutschman excels vs. command‑first pitchers
Woo must avoid predictable fastball counts
3. Cal Raleigh (SEA) vs. Baz’s Slider
Raleigh crushes breaking balls left up in the zone
Key RBI threat in the middle innings
4. Gunnar Henderson (BAL) vs. Mariners Bullpen
Henderson has been Baltimore’s most consistent hitter
Seattle’s late‑inning arms have been strong — critical matchup
Betting Trends
Baltimore Orioles
5–5 in last 10
Under is 6–4 in last 10
3–7 in last 10 road games
2–6 in Baz’s last 8 road starts
Seattle Mariners
6–4 in last 10
Under is 5–3 in last 8
7–3 in last 10 home games
6–2 in Woo’s last 8 starts
Predictive Analysis
Why Baltimore Can Win
Baz’s strikeout ability can neutralize Seattle’s right‑handed core
Henderson and Rutschman can carry the offense
Mariners’ lineup can go cold for stretches
Why Seattle Can Win
Woo has a strong matchup vs. Baltimore’s right‑heavy lineup
Mariners dominate this matchup at home
Seattle’s bullpen is better positioned for late‑inning leverage
Orioles struggle in pitcher‑friendly parks
X‑Factor:
Bryan Woo’s command. If he’s locating early, Baltimore’s offense could be in for a long night.
Game Odds
Baltimore Orioles 7.5
Seattle Mariners – 135
Odds Courtesy of Sports Odds Direct as of Wednesday, June 17, 2026
