Luis Castillo's trade value: Nine proposed deals for the Reds' right-hander - The Athletic
Reds: Best trade package from the Twins for Luis Castillo
What the Luis Castillo trade means for all-in Mariners and rebuilding Reds - The Athletic
Seattle Mariners acquire Luis Castillo, send package highlighted by prospect Noelvi Marte to Cincinnati Reds - ESPN
The Yankees have what it takes to trade for Luis Castillo - Pinstripe Alley
Potential trade partner: The Cincinnati Reds - Royals Review
Yankees have heavy competition in Luis Castillo trade market
Mariners RHP Luis Castillo agrees to 5-year extension
Luis Castillo trade grades: Mariners deal for another ace from Reds
What could the Reds get IF they traded Luis Castillo?
Luis Castillo trade details: Mariners acquire Reds ace for top-end prospects
Why Mariners did and didn't make certain moves at MLB trade deadline