Led by Paul Sewald, Mariners relievers were dominant in 2021. Can they do it again?
J.P. Crawford's grand slam leads Mariners to 8-0 win over Rangers - The San Diego Union-Tribune
History of the Seattle Mariners - Wikipedia
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Mariners closer Edwin Diaz named American League Reliever of the Year
2022 MLB Playoffs: Mariners' offense, pitching come out strong to take Game 1
Andrés Muñoz's breakthrough gives Mariners yet another dominant bullpen arm
Around the Horn: Relief Pitchers. A breakdown of the Mariners 40-Man…, by Mariners PR
J.P. Crawford's grand slam leads Mariners to 8-0 win over Rangers
Around the Horn: Relief Pitchers. A breakdown of the Mariners 40-Man…, by Mariners PR
2020 Mariners Exit Interviews: Relief Pitchers - Lookout Landing
Mariners History: A Look at the Relievers of the Early Years
Mariners beat Guardians 3-2, hand Quantrill rare home loss - Record Herald