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

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.

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

The Mariners took a difficult route to win their first series of the season against their American League West rivals. They ...

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

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

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

Castillo didn't factor into the decision Tuesday against the Astros after allowing five hits and two walks in five scoreless innings, striking out six.

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

Castillo is scheduled to make his next start Wednesday versus the Astros in Seattle, Matt Kawahara of the Houston Chronicle reports.

The Seattle Mariners also reinstated Jorge Polanco off the paternity list and optioned two players to Triple-A Tacoma.