In addition to the starting duo, the M's also have another Julio Rodríguez in the organization "We are duplicating names left ...

There are now two Luis Castillos in the Mariners' rotation -- one nicknamed "The Rock," the other "The Pebble." Here's more ...

Mariners rookie second baseman Ryan Bliss will be out for 4-5 months with a torn left biceps muscle, the club announced ...

It didn’t stretch the length of that 18-inning playoff game between these teams three seasons ago, but Tuesday night’s ...

The Mariners optioned Castillo to Triple-A Tacoma on Thursday.

Castillo didn't factor into the decision Wednesday against the Astros after giving up four runs (three earned) on six hits and five walks in four innings. He struck out three.

No, they're not the same dude. Yes, it's confusing. The Thursday starter was three-time All-Star Luis Miguel Castillo, ...

The Seattle Mariners are still searching for the short-term replacement to starting pitcher George Kirby. The 2023 All-Star was shut down during sprin ...

Just two days after Luis Castillo threw 92 pitches in a seven-inning gem for the Mariners, they're set to start Luis Castillo ...

The Seattle Mariners optioned Luis F. Castillo to Triple-A after his start Wednesday, and it appears they could roll with a four-man rotation for a while.

Seattle Mariners right-handed pitcher Luis F. Castillo was optioned to Triple-A Tacoma following their contest on Wednesday afternoon against the Houston Astros. Castillo was given two starts during ...

For the second game in a row, the Mariners are expected to have a Luis Castillo start a game for them. Confused? You're ...