Is the timing right for a Luis Castillo contract extension with the Cincinnati Reds? - Red Reporter

The Seattle Mariners Trade For Reds Ace Luis Castillo!

Cincinnati Reds need to sign Luis Castillo to a contract extension

Mariners prep for playoff push with trade for Reds' Luis Castillo - The Boston Globe

Luis Castillo signs five-year contract extension with Mariners

Mariners pitcher Luis Castillo was open to extension with Reds

Reds and Dodgers have discussed a Luis Castillo trade - Redleg Nation

The Cincinnati Reds have had an ace in Luis Castillo for a full calendar year - Red Reporter

Cincinnati Reds news: Pitcher Luis Castillo switches agencies

Luis Castillo, who was open to contract extension with Reds, enjoying life with Mariners

Luis Castillo's Reds teammates on dominant season

From Jonathan India to Joey Votto: Ranking the trade value of Reds players - The Athletic

Cincinnati Reds SP Luis Castillo Shines in Trade Deadline Audition Against New York Yankees - Sports Illustrated NY Yankees News, Analysis and More

Luis Castillo Rumor Roundup - The evolving starting pitching market - Red Reporter

Dipoto details why Mariners made Luis Castillo trade, their rotation plans - Seattle Sports