The Red Sox and Twins agreed to a trade on Christmas Eve in a deal that projects to strengthen Boston's bullpen.

The Seattle Mariners are still looking for solutions for the holes in their infield. The Mariners entered the offseason with ...

The Blue Jays, Giants, and Orioles are among the best fits for Mariners righty Luis Castillo on the trade market. Read more ...

According to MLBTradeRumors, the Toronto Blue Jays are among the best trade partners for Seattle Mariners starting pitcher Luis Castillo. The Mariners aren't actively shopping Castillo ...

Luis Castillo of the Seattle Mariners, meanwhile, has been a name mentioned in the hot stove league for a while now as someone on the trading block for a Mariners team loaded with quality arms ...

Boston was heavily tied to Seattle Mariners pitcher Luis Castillo in trade talks. There was a lot of chatter about a possible deal, but the Mariners reportedly wanted Triston Casas and the Red Sox ...

In baseball, we frequently use the term ‘motor preference’ to refer to an athlete’s natural movement patterns—his default setting, if you will. No two human bodies are the same, which means no two ...

Boston offered Casas along with Masataka Yoshida in a potential deal for Seattle right-handed pitcher Luis Castillo, MLB.com’s Mark Feinsand reported. In addition to trading Casas and Yoshida ...

The Rockies signed Castillo to a minor-league contract Thursday that includes an invitation to spring training, Aram Leighton of Just Baseball reports. Castillo, who turns 31 in January ...