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 ...

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

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

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.

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

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

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 have made a plethora of roster moves related to their pitching staff in the first two weeks of the ...

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 ...

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 ...

Luis F. Castillo will be making his first major league start. The 30-year-old has three MLB relief appearances under his belt ...