Seattle considered multiple trade offers for veteran starter Luis Castillo this offseason. Here's why Jerry Dipoto and the ...

The latest update on Luis Castillo trade rumors indicates the Boston Red Sox probably won't land the Seattle Mariners ace.

A graph shared on social media highlighted the consistency of the Seattle Mariners multi-time All-Star hurler.

The Twins checked in on Luis Castillo, but the Mariners don't appear to be trading the ace anywhere. Visit MLB Trade Rumors ...

The Mariners are cornering the market on right-handed pitchers named Luis Castillo. Seattle reached a Minor League deal with ...

The Seattle Mariners have been shopping starting pitcher Luis Castillo this winter. Are the San Francisco Giants a realistic ...

The Seattle Mariners' 2025 roster needs more offense to compete for a postseason berth. Could Toronto Blue Jays shortstop Bo ...

Castillo came up in the Arizona Diamondbacks system and signed with the Tigers as a minor-league free agent before the 2022 ...

The Mariners signed former Tigers right-hander Luis F. Castillo to a minor league contract and spring invite. Read more at ...

The San Francisco Giants starting rotation took a brutal hit at the end of November when two-time Cy Young Award winner Blake Snell signed with the rival-Los Angeles Dodgers. It was a double whammy ...

January and February is typically when teams sit back and wait for free agents and potential trade partners to get desperate.