Baltimore Orioles vs Seattle Mariners
Head-to-Head History
45
BAL Wins
-
41
SEA Wins
Head-to-Head Record
| Team | 2026 | L5 | L10 | L15 | L20 |
|---|---|---|---|---|---|
| Baltimore Orioles | Win: / WR: / |
Win: 4 WR: 80.0% |
Win: 8 WR: 80.0% |
Win: 11 WR: 73.3% |
Win: 13 WR: 65.0% |
| Seattle Mariners | Win: / WR: / |
Win: 1 WR: 20.0% |
Win: 2 WR: 20.0% |
Win: 4 WR: 26.7% |
Win: 7 WR: 35.0% |
ALL 86 Matches | From 2012 to 2025
| Date | Type | Away | Score | Home | Score | Winner | WP | LP |
|---|---|---|---|---|---|---|---|---|
| August 14, 2025 | Regular | Seattle Mariners | 3 | Baltimore Orioles | 5 | Baltimore Orioles | Tomoyuki Sugano (10-5) | Logan Evans (6-5) |
| August 13, 2025 | Regular | Seattle Mariners | 3 | Baltimore Orioles | 4 | Baltimore Orioles | Keegan Akin (4-2) | Matt Brash (1-1) |
| August 12, 2025 | Regular | Seattle Mariners | 1 | Baltimore Orioles | 0 | Seattle Mariners | George Kirby (8-5) | Dean Kremer (8-9) |
| June 5, 2025 | Regular | Baltimore Orioles | 4 | Seattle Mariners | 3 | Baltimore Orioles | Zach Eflin (5-2) | Bryan Woo (5-3) |
| June 4, 2025 | Regular | Baltimore Orioles | 3 | Seattle Mariners | 2 | Baltimore Orioles | Yennier Cano (1-4) | Carlos Vargas (1-4) |
| June 3, 2025 | Regular | Baltimore Orioles | 5 | Seattle Mariners | 1 | Baltimore Orioles | Tomoyuki Sugano (5-3) | George Kirby (0-3) |
| July 4, 2024 | Regular | Baltimore Orioles | 3 | Seattle Mariners | 7 | Seattle Mariners | Ryne Stanek (6-2) | Bryan Baker (1-1) |
| July 3, 2024 | Regular | Baltimore Orioles | 4 | Seattle Mariners | 1 | Baltimore Orioles | Dean Kremer (4-4) | Logan Gilbert (5-5) |
| July 2, 2024 | Regular | Baltimore Orioles | 2 | Seattle Mariners | 0 | Baltimore Orioles | Grayson Rodriguez (10-3) | George Kirby (7-6) |
| May 19, 2024 | Regular | Seattle Mariners | 3 | Baltimore Orioles | 6 | Baltimore Orioles | Corbin Burnes (4-2) | George Kirby (4-4) |
| May 18, 2024 | Regular | Seattle Mariners | 4 | Baltimore Orioles | 3 | Seattle Mariners | Ryne Stanek (2-0) | Yennier Cano (2-2) |
| May 17, 2024 | Regular | Seattle Mariners | 2 | Baltimore Orioles | 9 | Baltimore Orioles | John Means (2-0) | Bryce Miller (3-4) |
| August 13, 2023 | Regular | Baltimore Orioles | 5 | Seattle Mariners | 3 | Baltimore Orioles | Nick Vespi (1-0) | Trent Thornton (0-1) |
| August 12, 2023 | Regular | Baltimore Orioles | 1 | Seattle Mariners | 0 | Baltimore Orioles | Félix Bautista (7-2) | Andrés Muñoz (2-5) |
| August 11, 2023 | Regular | Baltimore Orioles | 2 | Seattle Mariners | 9 | Seattle Mariners | Luis Castillo (8-7) | Kyle Gibson (11-7) |
| June 25, 2023 | Regular | Seattle Mariners | 2 | Baltimore Orioles | 3 | Baltimore Orioles | Kyle Bradish (4-3) | George Kirby (6-7) |
| June 24, 2023 | Regular | Seattle Mariners | 4 | Baltimore Orioles | 6 | Baltimore Orioles | Mike Baumann (5-0) | Justin Topa (1-3) |
| June 23, 2023 | Regular | Seattle Mariners | 13 | Baltimore Orioles | 1 | Seattle Mariners | Logan Gilbert (5-4) | Kyle Gibson (8-5) |
| June 29, 2022 | Regular | Baltimore Orioles | 3 | Seattle Mariners | 9 | Seattle Mariners | Chris Flexen (4-8) | Austin Voth (0-1) |
| June 28, 2022 | Regular | Baltimore Orioles | 0 | Seattle Mariners | 2 | Seattle Mariners | Diego Castillo (5-1) | Cionel Pérez (4-1) |
| June 27, 2022 | Regular | Baltimore Orioles | 9 | Seattle Mariners | 2 | Baltimore Orioles | Tyler Wells (6-4) | George Kirby (2-3) |
| June 2, 2022 | Regular | Seattle Mariners | 7 | Baltimore Orioles | 6 | Seattle Mariners | Diego Castillo (2-0) | Jorge López (3-3) |
| June 1, 2022 | Regular | Seattle Mariners | 2 | Baltimore Orioles | 9 | Baltimore Orioles | Cionel Pérez (4-0) | Robbie Ray (4-6) |
| May 31, 2022 | Regular | Seattle Mariners | 10 | Baltimore Orioles | 0 | Seattle Mariners | George Kirby (1-1) | Bryan Baker (1-3) |
| May 5, 2021 | Regular | Baltimore Orioles | 6 | Seattle Mariners | 0 | Baltimore Orioles | John Means (4-0) | Yusei Kikuchi (1-2) |
| May 4, 2021 | Regular | Baltimore Orioles | 2 | Seattle Mariners | 5 | Seattle Mariners | Rafael Montero (3-1) | Travis Lakins Sr. (1-3) |
| May 3, 2021 | Regular | Baltimore Orioles | 5 | Seattle Mariners | 3 | Baltimore Orioles | Cole Sulser (1-0) | Anthony Misiewicz (2-1) |
| April 15, 2021 | Regular | Seattle Mariners | 2 | Baltimore Orioles | 1 | Seattle Mariners | Justin Dunn (1-0) | Bruce Zimmermann (1-1) |
| April 15, 2021 | Regular | Seattle Mariners | 4 | Baltimore Orioles | 2 | Seattle Mariners | Marco Gonzales (1-1) | Tanner Scott (0-2) |
| April 13, 2021 | Regular | Seattle Mariners | 6 | Baltimore Orioles | 7 | Baltimore Orioles | César Valdez (2-0) | Casey Sadler (0-1) |
| April 13, 2021 | Regular | Seattle Mariners | 4 | Baltimore Orioles | 3 | Seattle Mariners | Rafael Montero (1-0) | Tanner Scott (0-1) |
| September 22, 2019 | Regular | Seattle Mariners | 1 | Baltimore Orioles | 2 | Baltimore Orioles | John Means (11-11) | Marco Gonzales (16-12) |
| September 21, 2019 | Regular | Seattle Mariners | 7 | Baltimore Orioles | 6 | Seattle Mariners | Dan Altavilla (2-1) | Tanner Scott (1-1) |
| September 20, 2019 | Regular | Seattle Mariners | 3 | Baltimore Orioles | 5 | Baltimore Orioles | Aaron Brooks (6-8) | Félix Hernández (1-7) |
| June 23, 2019 | Regular | Baltimore Orioles | 3 | Seattle Mariners | 13 | Seattle Mariners | Yusei Kikuchi (4-5) | Gabriel Ynoa (0-5) |
| June 22, 2019 | Regular | Baltimore Orioles | 8 | Seattle Mariners | 4 | Baltimore Orioles | Andrew Cashner (7-3) | Tommy Milone (1-2) |
| June 21, 2019 | Regular | Baltimore Orioles | 9 | Seattle Mariners | 10 | Seattle Mariners | Mike Leake (7-6) | Sean Gilmartin (0-1) |
| June 20, 2019 | Regular | Baltimore Orioles | 2 | Seattle Mariners | 5 | Seattle Mariners | Wade LeBlanc (4-2) | Dylan Bundy (3-9) |
| September 5, 2018 | Regular | Baltimore Orioles | 2 | Seattle Mariners | 5 | Seattle Mariners | Mike Leake (9-9) | Andrew Cashner (4-14) |
| September 4, 2018 | Regular | Baltimore Orioles | 5 | Seattle Mariners | 3 | Baltimore Orioles | Alex Cobb (5-15) | Adam Warren (2-2) |
| September 3, 2018 | Regular | Baltimore Orioles | 1 | Seattle Mariners | 2 | Seattle Mariners | Erasmo Ramírez (2-3) | Josh Rogers (1-1) |
| June 28, 2018 | Regular | Seattle Mariners | 4 | Baltimore Orioles | 2 | Seattle Mariners | James Pazos (2-1) | Miguel Castro (2-4) |
| June 27, 2018 | Regular | Seattle Mariners | 8 | Baltimore Orioles | 7 | Seattle Mariners | Chasen Bradford (5-0) | Mychal Givens (0-5) |
| June 26, 2018 | Regular | Seattle Mariners | 3 | Baltimore Orioles | 2 | Seattle Mariners | James Paxton (7-2) | Darren O'Day (0-2) |
| June 25, 2018 | Regular | Seattle Mariners | 5 | Baltimore Orioles | 3 | Seattle Mariners | Félix Hernández (7-6) | Miguel Castro (2-3) |
| August 30, 2017 | Regular | Seattle Mariners | 7 | Baltimore Orioles | 8 | Baltimore Orioles | Brad Brach (4-4) | Christian Bergman (4-5) |
| August 29, 2017 | Regular | Seattle Mariners | 0 | Baltimore Orioles | 4 | Baltimore Orioles | Dylan Bundy (13-8) | Erasmo Ramírez (5-5) |
| August 28, 2017 | Regular | Seattle Mariners | 6 | Baltimore Orioles | 7 | Baltimore Orioles | Donnie Hart (2-0) | Emilio Pagán (1-3) |
| August 16, 2017 | Regular | Baltimore Orioles | 6 | Seattle Mariners | 7 | Seattle Mariners | Tony Zych (6-3) | Ubaldo Jiménez (5-8) |
| August 15, 2017 | Regular | Baltimore Orioles | 1 | Seattle Mariners | 3 | Seattle Mariners | Andrew Albers (1-0) | Wade Miley (6-10) |
| August 14, 2017 | Regular | Baltimore Orioles | 11 | Seattle Mariners | 3 | Baltimore Orioles | Kevin Gausman (9-8) | Yovani Gallardo (5-8) |
| July 3, 2016 | Regular | Baltimore Orioles | 4 | Seattle Mariners | 9 | Seattle Mariners | Hisashi Iwakuma (8-6) | Ubaldo Jiménez (5-8) |
| July 2, 2016 | Regular | Baltimore Orioles | 6 | Seattle Mariners | 12 | Seattle Mariners | James Paxton (2-3) | Tyler Wilson (4-6) |
| July 1, 2016 | Regular | Baltimore Orioles | 2 | Seattle Mariners | 5 | Seattle Mariners | Wade LeBlanc (1-0) | Kevin Gausman (1-6) |
| June 30, 2016 | Regular | Baltimore Orioles | 3 | Seattle Mariners | 5 | Seattle Mariners | Taijuan Walker (4-6) | Chris Tillman (10-2) |
| May 19, 2016 | Regular | Seattle Mariners | 7 | Baltimore Orioles | 2 | Seattle Mariners | Nate Karns (4-1) | Tyler Wilson (2-2) |
| May 18, 2016 | Regular | Seattle Mariners | 2 | Baltimore Orioles | 5 | Baltimore Orioles | Chris Tillman (6-1) | Taijuan Walker (2-3) |
| May 17, 2016 | Regular | Seattle Mariners | 10 | Baltimore Orioles | 0 | Seattle Mariners | Wade Miley (4-2) | Ubaldo Jiménez (2-4) |
| August 12, 2015 | Regular | Baltimore Orioles | 0 | Seattle Mariners | 3 | Seattle Mariners | Hisashi Iwakuma (4-2) | Kevin Gausman (2-4) |
| August 11, 2015 | Regular | Baltimore Orioles | 5 | Seattle Mariners | 6 | Seattle Mariners | Fernando Rodney (5-4) | T.J. McFarland (0-2) |
| August 10, 2015 | Regular | Baltimore Orioles | 3 | Seattle Mariners | 2 | Baltimore Orioles | Wei-Yin Chen (6-6) | Vidal Nuño III (0-2) |
| May 21, 2015 | Regular | Seattle Mariners | 4 | Baltimore Orioles | 5 | Baltimore Orioles | Tommy Hunter (2-1) | Danny Farquhar (0-3) |
| May 20, 2015 | Regular | Seattle Mariners | 4 | Baltimore Orioles | 2 | Seattle Mariners | Roenis Elías (1-1) | Wei-Yin Chen (1-3) |
| May 19, 2015 | Regular | Seattle Mariners | 4 | Baltimore Orioles | 9 | Baltimore Orioles | Miguel González (5-2) | Danny Farquhar (0-2) |
| August 3, 2014 | Regular | Seattle Mariners | 0 | Baltimore Orioles | 1 | Baltimore Orioles | Chris Tillman (8-5) | Hisashi Iwakuma (9-6) |
| August 2, 2014 | Regular | Seattle Mariners | 6 | Baltimore Orioles | 3 | Seattle Mariners | Dominic Leone (4-2) | Miguel González (5-6) |
| August 1, 2014 | Regular | Seattle Mariners | 1 | Baltimore Orioles | 2 | Baltimore Orioles | Wei-Yin Chen (12-3) | Roenis Elías (8-9) |
| July 27, 2014 | Regular | Baltimore Orioles | 3 | Seattle Mariners | 2 | Baltimore Orioles | T.J. McFarland (4-2) | Yoervis Medina (4-2) |
| July 26, 2014 | Regular | Baltimore Orioles | 3 | Seattle Mariners | 4 | Seattle Mariners | Chris Young (9-6) | Bud Norris (8-7) |
| July 25, 2014 | Regular | Baltimore Orioles | 2 | Seattle Mariners | 1 | Baltimore Orioles | Darren O'Day (3-1) | Charlie Furbush (1-5) |
| July 24, 2014 | Regular | Baltimore Orioles | 4 | Seattle Mariners | 0 | Baltimore Orioles | Wei-Yin Chen (11-3) | Hisashi Iwakuma (8-5) |
| August 4, 2013 | Regular | Seattle Mariners | 3 | Baltimore Orioles | 2 | Seattle Mariners | Joe Saunders (10-10) | Wei-Yin Chen (6-4) |
| August 3, 2013 | Regular | Seattle Mariners | 8 | Baltimore Orioles | 4 | Seattle Mariners | Erasmo Ramírez (3-0) | Scott Feldman (9-9) |
| August 2, 2013 | Regular | Seattle Mariners | 8 | Baltimore Orioles | 11 | Baltimore Orioles | Chris Tillman (14-3) | Aaron Harang (5-10) |
| May 1, 2013 | Regular | Baltimore Orioles | 3 | Seattle Mariners | 8 | Seattle Mariners | Aaron Harang (1-3) | Wei-Yin Chen (2-3) |
| April 30, 2013 | Regular | Baltimore Orioles | 7 | Seattle Mariners | 2 | Baltimore Orioles | Jason Hammel (4-1) | Brandon Maurer (2-4) |
| April 29, 2013 | Regular | Baltimore Orioles | 2 | Seattle Mariners | 6 | Seattle Mariners | Joe Saunders (2-3) | Zack Britton (0-1) |
| September 19, 2012 | Regular | Baltimore Orioles | 3 | Seattle Mariners | 1 | Baltimore Orioles | Luis Ayala (5-4) | Josh Kinney (0-3) |
| September 18, 2012 | Regular | Baltimore Orioles | 4 | Seattle Mariners | 2 | Baltimore Orioles | Tommy Hunter (5-8) | Lucas Luetge (2-2) |
| September 17, 2012 | Regular | Baltimore Orioles | 10 | Seattle Mariners | 4 | Baltimore Orioles | Chris Tillman (8-2) | Héctor Noesí (2-12) |
| August 8, 2012 | Regular | Seattle Mariners | 2 | Baltimore Orioles | 9 | Baltimore Orioles | Steve Johnson (1-0) | Kevin Millwood (4-10) |
| August 7, 2012 | Regular | Seattle Mariners | 7 | Baltimore Orioles | 8 | Baltimore Orioles | Darren O'Day (6-0) | Shawn Kelley (2-3) |
| August 6, 2012 | Regular | Seattle Mariners | 1 | Baltimore Orioles | 3 | Baltimore Orioles | Chris Tillman (5-1) | Jason Vargas (12-8) |
| July 4, 2012 | Regular | Baltimore Orioles | 4 | Seattle Mariners | 2 | Baltimore Orioles | Chris Tillman (1-0) | Héctor Noesí (2-11) |
| July 3, 2012 | Regular | Baltimore Orioles | 5 | Seattle Mariners | 4 | Baltimore Orioles | Darren O'Day (5-0) | Charlie Furbush (4-2) |
| July 2, 2012 | Regular | Baltimore Orioles | 3 | Seattle Mariners | 6 | Seattle Mariners | Steve Delabar (2-1) | Jason Hammel (8-4) |
Head-to-Head Summary:
Total: From the 2012 to 2025 season, the two teams have played a total of 86 matches, of which the Baltimore Orioles have won 45 games (Win% 52.33%); the Seattle Mariners have won 41 games (Win% 47.67%).
2026 Season: The Baltimore Orioles have won / game (Win% /), and the Baltimore Orioles have won / games (Win% /).
Last 5 Games: The Baltimore Orioles have won 4 game (Win% 80.0%), and the Seattle Mariners have won 1 games (Win% 20.0%).
Last 10 Games: The Baltimore Orioles have won 8 game (Win% 80.0%), and the Seattle Mariners have won 2 games (Win% 20.0%).
Last 15 Games: The Baltimore Orioles have won 11 game (Win% 73.3%), and the Seattle Mariners have won 4 games (Win% 26.7%).
Last 20 Games: The Baltimore Orioles have won 13 game (Win% 65.0%), and the Seattle Mariners have won 7 games (Win% 35.0%).
Team Pages
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