T‑Mobile Park, Seattle, WA
First Pitch: 9:40 PM ET / 6:40 PM PT
Broadcast: MASN, ROOT Sports Northwest, MLB.TV
A pivotal AL matchup unfolds in Seattle as the Orioles (34–40) continue their search for consistency while the Mariners (38–36) look to strengthen their position in the AL Wild Card race. Baltimore sends Kyle Bradish, their most polished starter, while Seattle counters with George Kirby, one of MLB’s elite command specialists. 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: 64–68°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)
Kyle Bradish — 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)
George Kirby — 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 (34–40)
Last 10: 4–6
Road Record: 15–22
Run Differential: -27
Trend: Pitching improving; offense inconsistent; bullpen volatile
Seattle Mariners (38–36)
Last 10: 6–4
Home Record: 22–15
Run Differential: +14
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 — Kyle Bradish (RHP)
2026 Stats: 3.62 ERA, 1.19 WHIP
Strengths: Sharp slider, strong strikeout rate, excellent vs. right‑handers
Weaknesses: Occasional walk issues; vulnerable to left‑handed power
Matchup Outlook:
Must navigate Rodríguez and Raleigh carefully
T‑Mobile Park’s dimensions favor Bradish’s fly‑ball tendencies
Strong candidate for 6+ innings if command is sharp
SEA — George Kirby (RHP)
2026 Stats: 3.28 ERA, 1.08 WHIP
Strengths: Elite command, low walk rate, deep pitch mix
Weaknesses: Can be hittable when working too much in the zone
Matchup Outlook:
Orioles’ lineup is right‑handed heavy, which plays into Kirby’s strengths
Baltimore struggles vs. high‑command pitchers
Clear pitching advantage for Seattle
Key Player Matchups
1. Julio Rodríguez (SEA) vs. Kyle Bradish (BAL)
Rodríguez handles high‑velocity righties well
Bradish must keep the slider down and away
HR potential is moderate despite park factors
2. Adley Rutschman (BAL) vs. George Kirby (SEA)
Rutschman excels vs. command‑first pitchers
Kirby must avoid predictable fastball counts
3. Cal Raleigh (SEA) vs. Bradish’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
4–6 in last 10
Under is 6–4 in last 10
3–7 in last 10 road games
2–6 in Bradish’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 Kirby’s last 8 starts
Predictive Analysis
Why Baltimore Can Win
Bradish 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
Kirby 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:
George Kirby’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 – 138
Odds Courtesy of Sports Odds Direct as of Tuesday, June 16, 2026
