there were rumors that the Mariners and Boston Red Sox were engaged in trade talks involving Seattle starter Luis Castillo and Boston first baseman Triston Casas. The rumored deal was being ...

Seattle Mariners General Manager Justin Hollander had high praise for Luis Castillo in an appearance on MLB Network Radio.

After the Chicago White Sox traded starting pitcher Garrett Crochet to the Boston Red Sox, Seattle Mariners starting pitcher ...

The Seattle Mariners are reportedly willing to listen to trade overtures for All-Star pitcher Luis Castillo. This came from Alex Speier of the Boston Globe. Now, it's certainly possible that the M ...

Bleacher Report's Zachary Rymer recently predicted the Red Sox to swing another blockbuster trade this winter, with this one being for Seattle Mariners pitcher Luis Castillo. BOSTON, MA - MAY 16 ...