Seattle Mariners: The Pitching Future is Already Here
Seattle Mariners Top 30 Prospect Rankings Update - Future Stars Series
Astros Eliminate Mariners and Advance to ALCS - The New York Times
Seattle Mariners Pitching: Dipoto on Miller, Castillo, prospects - Seattle Sports
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Mariners' scrapheap bullpen has found another late-blooming gem in Justin Topa
OSN: Five Reasons To Be Hopeful About The 2023 Seattle Mariners - 750 The Game
What a steal he's an ace, They are building a multi-year contender up there - Seattle Mariners fans ecstatic as team signs Pitcher Luis Castillo to a five-year, $108 million extension
Mariners believe rotation set for future after Castillo deal, Ap
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40 Mariners and MLB predictions for 2023 - Lookout Landing
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FanPost Friday: Do the 2023 Seattle Mariners have the makings of the best pitching rotation of all time? - Lookout Landing
How rookie Julio Rodriguez became the Seattle Mariners' $470 million man - ESPN