Venue: T‑Mobile Park — Seattle, Washington
First Pitch: 9:40 PM ET / 6:40 PM PT
Broadcast: NESN • ROOT Sports NW • MLB.TV
The Red Sox and Mariners meet in a late‑night AL matchup with both clubs trending in different directions. Boston continues to slide toward the bottom of the AL standings, while Seattle—despite inconsistency—remains firmly in the Wild Card mix. The pitching matchup features a young Boston arm trying to establish himself and a Seattle starter looking to stabilize the rotation.
WEATHER REPORT — SEATTLE, WA
(Retractable roof — weather unlikely to impact play)
Temperature: 67–70°F
Conditions: Partly cloudy
Wind: 5–8 mph toward left field
Roof: Expected closed
Impact: Neutral hitting environment; slight boost to right‑handed pull hitters if roof opens.
INJURY REPORT
Boston Red Sox
Triston Casas — OUT (rib fracture)
Trevor Story — OUT (elbow)
Tyler O’Neill — Probable (hamstring tightness)
Kenley Jansen — OUT (back)
Garrett Whitlock — OUT (UCL surgery)
Seattle Mariners
Julio Rodríguez — Probable (wrist soreness)
Ty France — OUT (ankle sprain)
Matt Brash — OUT (elbow)
Andrés Muñoz — Probable (shoulder fatigue)
J.P. Crawford — Probable (quad)
TEAM RECORDS & RECENT FORM
Boston Red Sox (30–43)
Last 10: 3–7
Road Record: 13–22
Trend: Offense struggling without Casas and Story; bullpen unreliable late.
Key Note: Boston averaging just 3.4 runs per game over last 12.
Seattle Mariners (39–38)
Last 10: 5–5
Home Record: 22–17
Trend: Pitching remains strong; offense inconsistent but improving.
Key Note: Mariners have allowed 3 runs or fewer in 6 of last 9.
PITCHING MATCHUP BREAKDOWN
BOS — RHP Early
2026 Stats: 4.88 ERA | 1.36 WHIP
Profile:
Fastball/slider combo
Struggles with command when behind in counts
Vulnerable to left‑handed hitters
Recent Form:
Allowed 10 ER over last 15 IP
Walk rate trending upward
Key Concern: Seattle’s left‑handed bats (Crawford, Raley, Canzone) match up well.
SEA — RHP Emerson Hancock
2026 Stats: 3.91 ERA | 1.24 WHIP
Profile:
Heavy sinker, induces ground balls
Strong at home (3.12 ERA at T‑Mobile Park)
Keeps ball in the yard
Recent Form:
2.70 ERA over last 4 starts
Command improving; slider generating more whiffs
Key Strength: Boston ranks bottom‑5 in MLB vs sinker/slider combinations.
KEY PLAYER MATCHUPS
Rafael Devers (BOS) vs Emerson Hancock
Devers hitting .302 vs RHP this season.
Hancock’s sinker can jam him, but mistakes get punished.
Julio Rodríguez (SEA) vs Early
J‑Rod heating up: .318 over last 15 games.
Early struggles vs elite fastball hitters.
J.P. Crawford (SEA) vs Boston Bullpen
Crawford’s OBP skills vs a Boston bullpen with a 4.72 ERA.
Masataka Yoshida (BOS) vs Seattle’s Right‑Handed Pitching
Yoshida’s contact skills could be key if Boston wants to manufacture runs.
SERIES HISTORY
2025 Season Series: Mariners won 4–2
Last 10 Meetings: Mariners lead 6–4
At T‑Mobile Park: Seattle has won 5 of last 7
Trend: Low‑scoring games — average combined runs: 7.1
BETTING TRENDS
Boston Red Sox
3–8 in last 11 road games
6 of last 8: Under
1–5 in Early’s last 6 starts
Seattle Mariners
7–3 in last 10 home games
5 of last 7: Under
6–2 in Hancock’s last 8 starts
Game Odds
Boston Red Sox 7.5
Seattle Mariners – 121
Odds Courtesy of Sports Odds Direct as of Friday, June 19, 2026
