Odds & predictions Upcoming matchups No upcoming game is scheduled. Recent results and the experts who know these teams are below.
May 31, 2026 Arizona Diamondbacks 2 Seattle Mariners 3 Final/10 May 30, 2026 Arizona Diamondbacks 1 Seattle Mariners 5 Final May 29, 2026 Arizona Diamondbacks 6 Seattle Mariners 7 Final/10 Jun 11, 2025 Seattle Mariners 2 Arizona Diamondbacks 5 Final Jun 10, 2025 Seattle Mariners 3 Arizona Diamondbacks 10 Final Jun 9, 2025 Seattle Mariners 4 Arizona Diamondbacks 8 Final/11 Apr 28, 2024 Arizona Diamondbacks 3 Seattle Mariners 2 Final Apr 27, 2024 Arizona Diamondbacks 1 Seattle Mariners 3 Final Apr 26, 2024 Arizona Diamondbacks 1 Seattle Mariners 6 Final Jul 30, 2023 Seattle Mariners 4 Arizona Diamondbacks 0 Final Jul 29, 2023 Seattle Mariners 3 Arizona Diamondbacks 4 Final Jul 28, 2023 Seattle Mariners 5 Arizona Diamondbacks 2 Final Sep 12, 2021 Arizona Diamondbacks 5 Seattle Mariners 4 Final Sep 11, 2021 Arizona Diamondbacks 7 Seattle Mariners 3 Final Sep 10, 2021 Arizona Diamondbacks 4 Seattle Mariners 5 Final Sep 5, 2021 Seattle Mariners 10 Arizona Diamondbacks 4 Final/11 Sep 4, 2021 Seattle Mariners 8 Arizona Diamondbacks 5 Final Sep 3, 2021 Seattle Mariners 6 Arizona Diamondbacks 5 Final/10 Sep 13, 2020 Seattle Mariners 7 Arizona Diamondbacks 3 Final Sep 12, 2020 Seattle Mariners 7 Arizona Diamondbacks 3 Final Sep 11, 2020 Seattle Mariners 3 Arizona Diamondbacks 4 Final Feb 28, 2020 Seattle Mariners 6 Arizona Diamondbacks 2 Final Aug 26, 2018 Seattle Mariners 2 Arizona Diamondbacks 5 Final Aug 25, 2018 Seattle Mariners 4 Arizona Diamondbacks 3 Final Aug 24, 2018 Seattle Mariners 6 Arizona Diamondbacks 3 Final Expert grades weight verified head-to-head profit at 75% and profit on other games involving either team at 25%, with a confidence adjustment until ten qualifying picks are recorded.