The Seattle Mariners acquired cash from Kansas City for minor league catcher Julio E. Rodriguez, not to be confused with Seattle's three-time All-Star center fielder.

Luis Castillo reacted to his stellar effort against the Houston Astros in the Seattle Mariners' victory on Friday night.

In this mock trade, the Mariners get their power bat, and the Diamondbacks get a pitching prospect in Perez (Mariners No. 21 prospect) who could be MLB-ready by next year, and another prospect in ...

As Luis Castillo came set for what he thought would be his final pitch of the night, he had his trademark fist clench ready to roll. He was on the cusp of clearing his seventh scoreless inning, had fl ...

Randy Arozarena hit a solo home run and Luis Castillo threw 6 2/3 scoreless innings as the Seattle Mariners beat the Houston ...

Had the Astros not suffered an alarming number of injuries -- five players who were in their Opening Day lineup are on the ...

Randy Arozarena conectó un jonrón en solitario y Luis Castillo lanzó seis episodios y dos tercios sin tolerar anotación para ...

After taking his lumps against a slew of tough arms, Astros rookie Brice Matthews put it all together Monday night against ...

No matter what, Luis Castillo is a good starting pitcher. You see the velocity, you see the ground balls, the command is at least decent, those things are there. He’s a good pitcher.

Castillo doesn't appear injured, just ineffective. He averaged 97.1 mph on his sinker and 96.9 mph on his four-seam fastball. He was up to 98.3 mph with the sinker and 98 on the four-seamer.