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 ...

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

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

The veteran Mariners pitcher put together his best outing of the season and clinched a series win for his team Saturday.

TORONTO — The Seattle Mariners gave Luis Castillo a three-run lead before he threw his first pitch in Friday’s wild-card opener against the Toronto Blue Jays. It was all the support he would ...

Mariners ace Luis Castillo, tabbed as Seattle's opening-day starter, has his sights set on starting the All-Star Game at T-Mobile Park and winning the AL Cy Young Award.

Seattle Mariners starting pitcher Luis Castillo throws during a game against the Tampa Bay Rays on Aug. 28 at T-Mobile Park. / Joe Nicholson-Imagn Images ...

The Seattle Mariners placed right-hander Luis Castillo on the 15-day injured list due to a hamstring injury, taking away one of their top arms for the stretch run.