Reports: Reds trade Luis Castillo to Mariners for four prospects
Seattle Mariners acquire Luis Castillo, send package highlighted by prospect Noelvi Marte to Cincinnati Reds - ESPN
Mariners pitcher Luis Castillo was open to extension with Reds
Not-so-happy anniversary: Marlins already regret trading Luis Castillo - Fish Stripes
Mariners sign Luis Castillo to five-year, $108M contract extension
Luis Castillo Deal Shouldn't Affect View of Mariners System
Luis Castillo traded by Reds to Mariners ahead of MLB trade deadline
Should Cincinnati Reds offer Luis Castillo long-term contract?
Who won the trade between the Cincinnati Reds and Seattle Mariners for Luis Castillo? Why? - Quora
MLB trade rumors: Yankees-Reds Luis Castillo deal on ice — for now
MLB Trade Rumors and News: Reds reportedly discussing Luis Castillo - MLB Daily Dish
What could the Reds get IF they traded Luis Castillo?
New York Yankees Talk to Cincinnati Reds About Trade For SP Luis Castillo - Sports Illustrated NY Yankees News, Analysis and More
MLB Trade Rumors: 5 possible landing spots for Luis Castillo