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

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

Most will defer to the Seattle Mariners pitcher—an All-Star in 2019, 2022 and 2023, and a Cy Young-caliber hurler in the most ...

Reds shortstop prospect Edwin Arroyo missed all of last season after suffering a shoulder injury during spring training.

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

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

Nets NRI deal from Seattle ...

The San Francisco Giants have made a few important moves this offseason. They signed Willy Adames to a seven-year, $182 million deal and also brought in Justin Verlander on a one-year, $15 million ...

Two notable relief pitchers were traded this week, as Ryan Pressly was dealt from the Astros to the Cubs and Taylor Rogers ...

Sports Illustrated's Nick Ziegler suggested a trade that would bring Luis Castillo from the Seattle Mariners to Baltimore. "With options in free agency being limited at this point, one pitcher who ...

The White Sox talked to the Reds and Giants about a trade involving Luis Robert Jr., but a deal seems unlikely. Read more at ...

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