Seattle heads to Fenway Park on September 2, 2026, to take on Boston in a game that matters more to one side than the other. First pitch is set for 4:10 p.m. ET. Here’s everything you need — when it starts, who’s pitching, and where to watch.
Game Info
- Matchup: Seattle Mariners vs Boston Red Sox
- League: MLB
- Date: September 2, 2026
- First Pitch: 4:10 p.m. ET · 2:10 p.m. Mexico City · 4:10 p.m. Caracas · 4:10 p.m. Santo Domingo
- Venue: Fenway Park, Boston
How to Watch
🇺🇸 United States (Spanish-language)
- Telemundo — Carried the Opening Day broadcast
- UniMás / TUDN — «MLB En Vivo» (Tuesdays 9 p.m. ET) and «MLB Esta Semana» (Saturdays 3 p.m. ET)
- Universo / Peacock — Sunday Night Baseball in Spanish; 25 featured games in 2026 via Telemundo Deportes
- FOX Deportes — Regular season and Spanish simulcast of FOX’s postseason package
- ESPN Deportes — 30-game linear package
- Local (Seattle): Mariners.TV · KING 5 (OTA) · MLB app (no local blackout)
- Local (Boston): NESN · NESN 360 streaming
🇲🇽 Mexico — 2:10 p.m.
- Canal 5 — 55 regular-season games; deal runs 2026–2028
- NU9VE (Canal 9) — Sunday game of the week
- ESPN / Disney+ — ~6 games per week; Disney+ adds 6 more plus ESPN simulcast
- TUDN
- Canal FOX — 5-game weekly package (Tuesdays, Thursdays, Fridays, two Saturdays)
🇻🇪 Venezuela — 4:10 p.m.
- Televén (free) — Primarily weekends; free streaming on their mobile app
- 1BASEBALL — 24-hour baseball channel, up to 3 games/day; via Simple, Inter and NetUno GO
- ByM Sport — Six days a week; via Inter and Simple
- IVC — Tuesday through Sunday
- ESPN / Disney+ — Live and on-demand
🇩🇴 Dominican Republic — 4:10 p.m.
- Teleantillas Canal 10 (free) — 7 games per week, one daily; seventh consecutive year; covers Opening Day through the full World Series, including the Futures Game, Home Run Derby, All-Star Game and all postseason rounds
- ESPN
- 1BASEBALL — Via Altice
- FOX / FS1 / FS2 / FOX Deportes
- teleantillas.com.do (free streaming)
- MLB.TV
🇵🇷 Puerto Rico — 4:10 p.m.
- WAPA Deportes (free) — Regular season, typically Fridays, Saturdays and Sundays; exclusive island broadcast of the All-Star Game and Home Run Derby
- MLB.TV
A note on MLB.TV: MLB.TV remains an out-of-market product. An in-market local subscription (roughly $19.99/month or $99.99/season) is available for 22 of 30 clubs inside the MLB app with no local blackout. Games exclusive to national partners — Netflix, NBC/Peacock, Apple TV, FOX, ESPN — are not included in MLB.TV; that’s not a blackout, they simply aren’t part of the package. No public MLB.TV blackout map exists for Latin American countries.
How Both Teams Are Doing
- Seattle Mariners: 65-74 (.468)
- Boston Red Sox: 75-64 (.540)
Starting Pitchers
- Seattle — Bryce Miller (RHP): 4-8, 4.12 ERA, 1.09 WHIP, 92 strikeouts in 94.0 innings
- Boston — Patrick Sandoval (LHP): 1-3, 4.20 ERA, 1.71 WHIP, 48 strikeouts in 45.0 innings
What to Watch
Boston arrives as the clear favorite at 75-64, looking to protect its divisional standing. Seattle, sitting at 65-74, needs wins badly to keep any postseason hopes alive. Bryce Miller gives the Mariners a fighting chance — his 1.09 WHIP shows he keeps runners off the bases, and 92 punchouts in 94 innings is no joke. On the other side, Patrick Sandoval has struggled: a 1-3 record and a 1.71 WHIP signal a pitcher who has been giving up too many free passes. Boston’s lineup will look to exploit that early.
This article will be updated after the final out with the score, key plays and a video recap.

