The Houston Astros (2-6-3) travel to Jupiter, FL to take on the Miami Marlins (4-6).

RHP Tatsuya Imai is set to make his second start of the Spring and will be opposed by 2022 NL Cy Young Award winner RHP Sandy Alcantara.

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ABOUT IMAI: In January, the Astros signed free agent RHP Tatsuya Imai to a three-year deal.

In his Spring debut on Feb. 26 vs. NYM, he tossed a scoreless 1.0 inning (10 pitches). Imai, 27, has been one of the top starting pitchers in Japan in recent years. In 2025, he was an All-Star for the Seibu Lions in the Nippon Professional Baseball Organization (NPB), where he went 10-5 with a 1.92 ERA (35ER/163.2IP) in 24 games.

Among qualified pitchers, Imai posted the lowest WHIP (0.89) in the Pacific League, while ranking second with 178 strikeouts in his 163.2 innings pitched. Imai has been an NPB All-Star three times in his career (2021, 2024, 2025) that has spanned parts of eight seasons (2018-25). He went 58-45 overall with a 3.15 ERA (337ER/963.2IP) in 159 games in the NPB.

TODAY’S POTENTIAL RELIEVERS: RHP Spencer Arrighetti, LHP Tom Cosgrove, RHP Anthony Maldonado, LHP Steven Okert, RHP Logan VanWey, RHP Amos Willingham and RHP Sam Carlson.

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VS. THE MARLINS: Today will mark the second of five Grapefruit League matchups between the Astros and Marlins this Spring. The clubs will also meet for a Spring Breakout exhibition on March 19 at CACTI Park of the Palm Beaches. The Astros are 1-0 vs. the Marlins this Spring.

TODAY’S ROSTER MOVES: Prior to today’s game, the Astros optioned LHP Colton Gordon and RHP Miguel Ullola to minor league camp. The Astros now have 59 players in camp, including 21 non-roster invites – 32 pitchers, seven catchers, 11 infielders and nine outfielders.

ASTROS IN THE WBC: IF Shay Whitcomb is off to a fantastic start for Team Korea in this year’s WBC, going 2×4 with a pair of homers and three RBI in the team’s opener vs. Team Czechia this morning at the Tokyo Dome in Japan.

Game Info

Game Date/Time: Thursday, March 5, 12:10 p.m. CST

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Location: Roger Dean Chevrolet Stadium, Jupiter, FL.

TV: none

Streaming: MLB.com (audio only)

Radio: KBME 790 AM/94.5 FM HD-2