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

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

The Mariners started Luis Castillo on the mound on Wednesday.... and now they're starting him again on Friday?

The Mariners plan to select right-hander Luis F. Castillo to start Friday’s game against the Giants, the club informed ...

Seattle Mariners starting pitcher Luis F. Castillo is expected to be promoted from Triple-A to start on Friday against the Giants. He's not to be confused with the other pitcher of the same name, who ...

The Seattle Mariners will look to avoid a sweep in the third and final game of a series against the Detroit Tigers at 1:10 p.m. PT on Wednesday. The M ...

But the pitching battles for the rest of the four-game series will also be noteworthy Here's how the rest of the series will play out: Friday, March 28 — Luis Castillo (Seattle) vs. Jeffrey ...