Seattle Mariners' Cal Raleigh, left, talks with starting pitcher Luis...

Seattle Mariners' Cal Raleigh, left, talks with starting pitcher Luis Castillo, right, after Castillo pitched through six innings against the Pittsburgh Pirates in a baseball game Saturday, May 27, 2023, in Seattle. Credit: AP/Lindsey Wasson

SEATTLE — Luis Castillo struck out 10 in six crisp innings, and the Seattle Mariners beat the Pittsburgh Pirates 5-0 on Saturday.

Castillo allowed one hit — Tucupita Marcano’s double on the game’s first pitch — and walked two. The right-hander earned his second straight win since dropping consecutive starts.

Gabe Speier, Matt Brash, Trevor Gott and Justin Topa then combined for three innings of one-hit ball for Seattle.

It was a sharp contrast from Friday night, when Pittsburgh slugged seven homers in a series-opening win.

“I saw they came out aggressive,” Castillo said. “So in my mind, I said, ‘OK, I just gotta throw a variety of different pitches.’ And that’s what I did.”

Castillo’s 10 strikeouts matched his most since he was acquired in a trade with Cincinnati in July.

“I can’t say enough about what he means to our pitching staff and what he’s done since he’s been here,” Seattle manager Scott Servais said.

Seattle Mariners starting pitcher Luis Castillo reacts after getting through...

Seattle Mariners starting pitcher Luis Castillo reacts after getting through six scoreless innings against the Pittsburgh Pirates in a baseball game Saturday, May 27, 2023, in Seattle. Credit: AP/Lindsey Wasson

The Mariners backed Castillo (4-2) with three runs in the first and one in the second. Ty France hit an RBI double and scored on Eugenio Suárez’s check-swing bloop single. Julio Rodríguez added a run-scoring double in the second.

Pittsburgh right-hander Vince Velasquez (4-4) departed after two innings due to discomfort in his pitching elbow. He allowed seven hits and walked one.

The 30-year-old Velasquez also exited with elbow discomfort in his previous start on May 4, when he lasted just three innings against Tampa Bay. He was on the 15-day injured list prior to being activated for Saturday’s start.

“Just watching him at the end of the second, he just didn’t look like he was comfortable,” Pirates manager Derek Shelton said.

Pittsburgh Pirates catcher Jason Delay tags Seattle Mariners' Jarred Kelenic...

Pittsburgh Pirates catcher Jason Delay tags Seattle Mariners' Jarred Kelenic out at home after Cal Raleigh grounded into a fielder's choice during the fifth inning of a baseball game Saturday, May 27, 2023, in Seattle. Credit: AP/Lindsey Wasson

“Having a conversation with him, it just didn’t feel like he was in the best spot, so we decided to take him out.”

J.P. Crawford, France and Rodríguez each had two hits for Seattle. It was Rodríguez’s fifth multihit performance in the past six games.

“Julio is starting to heat up as the weather is heating up, which is really good sign,” Servais said.

ROSTER MOVE

Pittsburgh designated right-hander Duane Underwood Jr. for assignment to make room for Velasquez. Underwood posted a 5.18 ERA in 24 1/3 innings across 20 relief appearances this season. He had a strong April, but struggled to an 8.44 ERA in May.

UP NEXT

Pirates: RHP Luis Ortiz (1-2, 4.02 ERA) makes his fourth start of the season on Sunday after opening the year in Triple-A Indianapolis. He pitched 7 2/3 strong innings against Texas in his last outing, allowing just two runs and five hits.

Mariners: LHP Marco Gonzales (4-1, 5.68 ERA) takes the mound. He tossed six innings of two-run ball against Oakland in his last start, rebounding from a May 17 outing in Boston that was among the worst of his career.

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