Mariners Acquire RHP Luis Castillo from Cincinnati, by Mariners PR
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Crawford homers, Kelenic drives in two to back Castillo's win as Mariners beat A's 7-2, Sports
Seattle Mariners trade for Luis Castillo
Seattle Mariners acquire Luis Castillo, send package highlighted by prospect Noelvi Marte to Cincinnati Reds - ESPN
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Castillo, Mariners agree to $108M, 5-year deal through '27