Ask it like a fan: a team, a player, “Cats v Pies”, “NRL ladder”, or a stats question like “who's made the most ducks”. Every stat we hold is in the Stats Centre.
Boston Red Sox v Seattle Mariners: head to head | Lineball
Boston Red Sox edge 3–2 on season record, scoring margin, recent form and recent meetings. 56 meetings in MLB on record. A read of the stats, not a tip.
Boston Red Sox lead the head to head 32–24 from 56 meetings since 2017.
2026: Boston Red Sox 87–77, Seattle Mariners 76–86. Boston Red Sox have the better margin, +0.4 a game to -0.4.
Seattle Mariners have won the last 2 against Boston Red Sox.
Last five: Boston Red Sox 2 wins, Seattle Mariners 3. Boston Red Sox are on a 3-game losing run.
Seattle Mariners average more pitch earned runs per game: 4.1 to 3.6.
Seattle Mariners average more bat home runs per game: 1.1 to 1.
Seattle Mariners average more bat walks per game: 3.4 to 3.2.
Boston Red Sox’s biggest win in the rivalry: 14–1 in 2019, by 13.
Built only from games in our stats database. A read of the numbers, not a tip.
Head to head
3256 games since 201724
3 Sept 2026 · Fenway Park, BostonBoston Red Sox 3Seattle Mariners 8
2 Sept 2026 · Fenway Park, BostonBoston Red Sox 6Seattle Mariners 9
1 Sept 2026 · Fenway Park, BostonBoston Red Sox 9Seattle Mariners 8
22 June 2026 · T-Mobile Park, SeattleBoston Red Sox 1Seattle Mariners 3
21 June 2026 · T-Mobile Park, SeattleBoston Red Sox 5Seattle Mariners 1
20 June 2026 · T-Mobile Park, SeattleBoston Red Sox 6Seattle Mariners 2
19 June 2025 · T-Mobile Park, SeattleBoston Red Sox 3Seattle Mariners 1
18 June 2025 · T-Mobile Park, SeattleBoston Red Sox 0Seattle Mariners 8
2026 season
Per game, this season.
4.2691 totalScored per gameper game4.1664 total
3.8629 totalConceded per gameper game · lower is better4.5722 total
8.11,334 totalBat hitsper game7.71,253 total
1.0165 totalBat home runsper game1.1182 total
4.0660 totalBat rbiper game3.9638 total
4.2691 totalRunsper game
4.1
664 total
32,880.85,392,449 totalAttendanceper game31,792.35,150,344 total
33.45,474 totalBat at batsper game33.25,385 total
145.223,811 totalBat pitchesper game146.923,792 total
8.21,345 totalBat strikeoutsper game8.61,400 total
3.2520 totalBat walksper game3.4557 total
0.583 totalErrorsper game · lower is better0.588 total