MLB · All-Time Matchup
Boston Red Sox
VS
Seattle Mariners
Boston Red Sox vs Seattle Mariners:All-Time Matchup History
Matchup Overview
The Boston Red Sox and Seattle Mariners have met 73 times in MLB. Boston Red Sox hold a clear edge in the all-time series, 40–33. Seattle Mariners have had the upper hand recently, going 3–2 in their last 5 meetings. Their most recent matchup ended 8–0 in favor of Seattle Mariners on June 18, 2025. They are scheduled to meet again on June 20, 2026.
All-Time Head-to-Head
Showing 73 games from available historical data.
| Date | Away | Score | Home |
|---|---|---|---|
| Jun 18, 25 | BOS | 0–8 | SEA |
| Jun 18, 25 | BOS | 3–1 | SEA |
| Jun 17, 25 | BOS | 2–0 | SEA |
| Apr 24, 25 | SEA | 4–3 | BOS |
| Apr 23, 25 | SEA | 8–5 | BOS |
| Apr 22, 25 | SEA | 3–8 | BOS |
| Jul 31, 24 | SEA | 2–3 | BOS |
| Jul 30, 24 | SEA | 10–6 | BOS |
| Jul 29, 24 | SEA | 7–14 | BOS |
| Mar 31, 24 | BOS | 3–4 | SEA |
| Mar 31, 24 | BOS | 5–1 | SEA |
| Mar 30, 24 | BOS | 0–1 | SEA |
| Mar 29, 24 | BOS | 6–4 | SEA |
| Aug 2, 23 | BOS | 6–4 | SEA |
| Aug 2, 23 | BOS | 3–6 | SEA |
| Aug 1, 23 | BOS | 2–6 | SEA |
| May 17, 23 | SEA | 3–12 | BOS |
| May 16, 23 | SEA | 4–9 | BOS |
| May 15, 23 | SEA | 10–1 | BOS |
| Jun 12, 22 | BOS | 6–7 | SEA |
| Jun 12, 22 | BOS | 2–0 | SEA |
| Jun 11, 22 | BOS | 4–3 | SEA |
| May 22, 22 | SEA | 4–8 | BOS |
| May 21, 22 | SEA | 5–6 | BOS |
| May 20, 22 | SEA | 3–7 | BOS |
| May 19, 22 | SEA | 6–12 | BOS |
| Sep 15, 21 | BOS | 8–4 | SEA |
| Sep 15, 21 | BOS | 9–4 | SEA |
| Sep 14, 21 | BOS | 4–5 | SEA |
| Apr 25, 21 | SEA | 3–5 | BOS |
| Apr 24, 21 | SEA | 8–2 | BOS |
| Apr 23, 21 | SEA | 5–6 | BOS |
| Apr 22, 21 | SEA | 7–3 | BOS |
| May 12, 19 | SEA | 2–11 | BOS |
| May 11, 19 | SEA | 5–9 | BOS |
| May 10, 19 | SEA | 1–14 | BOS |
| Mar 31, 19 | BOS | 5–6 | SEA |
| Mar 31, 19 | BOS | 8–10 | SEA |
| Mar 30, 19 | BOS | 7–6 | SEA |
| Mar 28, 19 | BOS | 4–12 | SEA |
| Jun 24, 18 | SEA | 0–5 | BOS |
| Jun 23, 18 | SEA | 7–2 | BOS |
| Jun 22, 18 | SEA | 10–14 | BOS |
| Jun 17, 18 | BOS | 0–1 | SEA |
| Jun 17, 18 | BOS | 9–3 | SEA |
| Jun 16, 18 | BOS | 6–7 | SEA |
| Jun 15, 18 | BOS | 2–1 | SEA |
| Jul 26, 17 | BOS | 5–6 | SEA |
| Jul 26, 17 | BOS | 4–0 | SEA |
| Jul 25, 17 | BOS | 0–4 | SEA |
| May 28, 17 | SEA | 5–0 | BOS |
| May 27, 17 | SEA | 0–6 | BOS |
| May 26, 17 | SEA | 0–3 | BOS |
| Aug 5, 16 | BOS | 3–2 | SEA |
| Aug 4, 16 | BOS | 1–3 | SEA |
| Aug 3, 16 | BOS | 4–5 | SEA |
| Aug 2, 16 | BOS | 2–1 | SEA |
| Jun 19, 16 | SEA | 1–2 | BOS |
| Jun 18, 16 | SEA | 2–6 | BOS |
| Jun 17, 16 | SEA | 8–4 | BOS |
| Aug 16, 15 | SEA | 10–8 | BOS |
| Aug 15, 15 | SEA | 10–22 | BOS |
| Aug 14, 15 | SEA | 1–15 | BOS |
| May 17, 15 | BOS | 4–2 | SEA |
| May 17, 15 | BOS | 0–5 | SEA |
| May 16, 15 | BOS | 1–2 | SEA |
| May 15, 15 | BOS | 2–1 | SEA |
| Aug 24, 14 | SEA | 8–6 | BOS |
| Aug 23, 14 | SEA | 7–3 | BOS |
| Aug 22, 14 | SEA | 5–3 | BOS |
| Jun 26, 14 | BOS | 5–4 | SEA |
| Jun 25, 14 | BOS | 2–8 | SEA |
| Jun 24, 14 | BOS | 3–12 | SEA |
Overall Record
since 2014
Boston Red Sox
40Seattle Mariners
3373 games in available data
Last 5 Meetings
BOS0
@Jun 18
8SEA
BOS3
@Jun 18
1SEA
BOS2
@Jun 17
0SEA
SEA4
@Apr 24
3BOS
SEA8
@Apr 23
5BOS