Mariners acquire 'dominant' starter Luis Castillo from Reds
Luis Castillo trade grades: Mariners deal for another ace from Reds
All-Star pitcher Luis Castillo will begin tenure with Seattle Mariners against New York Yankees - ESPN
Why Mariners did and didn't make certain moves at MLB trade deadline
Luis Castillo 'ready to go' for first start with the Mariners
Luis Castillo trade details: Mariners acquire Reds ace for top-end prospects
Reds trade Luis Castillo to Mariners, add 4 well-regarded prospects - The Athletic
Mariners acquire pitcher Luis Castillo from Reds for 4 prospects - The Athletic
The Seattle Mariners trade for Luis Castillo, make bid for postseason - Lookout Landing
Mariners trade for Reds pitcher Luis Castillo ahead of deadline
Mariners' Luis Castillo keeps reminding Yankees of trade deadline blunder