Venue: T-Mobile Park — Seattle, Washington
First Pitch: 10:10 PM ET (7:10 PM PT)
Broadcast: NESN, ROOT Sports Northwest, MLB.TV
Weather Forecast
T-Mobile Park features a retractable roof, and with light evening drizzle expected, the roof will likely be closed.
- Indoor Temperature: ~72°F
- Roof: Expected closed
- Impact: Neutral run environment; suppresses HR carry but rewards line-drive hitters.
Injury Report
Boston Red Sox
- Triston Casas — OUT (rib fracture)
- Trevor Story — OUT (shoulder surgery)
- Rafael Devers — Probable (hamstring tightness)
- Kenley Jansen — OUT (back strain)
- Wilyer Abreu — Questionable (illness)
Seattle Mariners
- J.P. Crawford — Probable (ankle soreness)
- Ty France — OUT (wrist fracture)
- Andrés Muñoz — OUT (elbow inflammation)
- Mitch Haniger — OUT (quad strain)
- Cal Raleigh — Probable (knee soreness)
Team Records & Recent Form
Boston Red Sox (29–43)
- Last 10: 3–7
- Road Record: 13–23
- Run Differential: -61
- Trend: Offense struggling badly; pitching inconsistent.
- Key Note: Red Sox are 2–9 in their last 11 road games vs teams above .500.
Seattle Mariners (39–37)
- Last 10: 6–4
- Home Record: 22–16
- Run Differential: +18
- Trend: Pitching staff carrying the load; offense improving with Julio Rodríguez heating up.
- Key Note: Mariners are 10–4 in their last 14 home night games.
Pitching Matchup
Boston — Albert Suárez (RHP)
2026 Stats:
- Record: 2–6
- ERA: 4.71
- WHIP: 1.36
- K/BB: 54/19
- Road ERA: 5.02
Scouting Notes:
- Relies on command and soft contact; lacks swing-and-miss stuff.
- Mariners rank top 10 vs low-velocity RHP, a tough matchup.
- Vulnerable to RH power and elevated fastballs.
- Has allowed 3+ ER in 6 of his last 8 starts.
Seattle — Bryce Miller (RHP)
2026 Stats:
- Record: 7–4
- ERA: 3.44
- WHIP: 1.12
- K/BB: 88/22
- Home ERA: 2.91
Scouting Notes:
- Fastball-heavy profile with elite command up in the zone.
- Red Sox rank 27th vs high fastballs, a major advantage for Miller.
- Has allowed 2 ER or fewer in 7 of his last 10 starts.
- T-Mobile Park’s dimensions favor his fly-ball tendencies.
Key Player Matchups
Julio Rodríguez (SEA) vs Suárez
- Rodríguez hitting .315 in June with rising power.
- Suárez’s fastball sits in Julio’s ideal launch-angle zone.
Rafael Devers (BOS) vs Miller
- Devers hitting .290 vs RHP, but Miller’s high fastball is a tough matchup.
- If healthy, he’s Boston’s best chance for run production.
Cal Raleigh (SEA) vs Suárez
- Raleigh slugging .540 vs RHP in 2026.
- Big power threat in a favorable matchup.
Jorge Polanco (SEA) vs RHP
- Polanco hitting .280 at home, strong OBP profile.
Series History
- Last 10 meetings: Mariners lead 6–4
- At T-Mobile Park: Mariners lead 7–3 since 2020
- Recent Trend: 5 of last 7 matchups have gone UNDER the total.
Betting Trends
Boston Red Sox
- 2–9 in last 11 road games vs winning teams
- Under is 6–2 in their last 8
- Red Sox 1–5 in Suárez’s last 6 starts
Seattle Mariners
- 10–4 in last 14 home night games
- Under is 7–3 in their last 10 at home
- Mariners 6–2 in Miller’s last 8 starts
Game Odds
Boston Red Sox 6.5
Seattle Mariners – 117
Odds Courtesy of Sports Odds Direct as of Thursday, June 18, 2026
