The Angels signed Kikuchi to a three-year, $63 million contract Monday, Jon Heyman of the New York Post reports.
Kikuchi is slated to start Thursday in Game 3 of the American League Wild Card Series against the Tigers, assuming he's not needed in relief in Game 2 on Wednesday, Chandler Rome of The Athletic reports.
Kikuchi (9-10) took the loss Wednesday against Seattle, allowing two runs (zero earned) on four hits and one walk while striking out eight in six innings.
Kikuchi did not factor into the decision in a win over the Angels on Thursday, allowing one run on five hits and one walk over six innings while striking out nine.
Kikuchi (9-9) picked up the win Friday, giving up three runs on three hits and two walks over seven innings in a 5-3 victory over the Angels. He struck out six.
Kikuchi (8-9) picked up the win Saturday, giving up four runs on seven hits over six innings in an 11-5 victory over the Diamondbacks. He struck out six without walking a batter.
Kikuchi allowed three runs on two hits and three walks while striking out four over 5.2 innings in Sunday's win over the Orioles. He did not factor into the decision.
Kikuchi was traded to the Astros on Monday night, Jeff Passan of ESPN.com reports.
Kikuchi (4-9) took the loss against the Tigers on Saturday, allowing four runs on five hits and two walks with eight strikeouts over five innings.
Kikuchi allowed seven runs on six hits and three walks while striking out six over 4.2 innings Sunday against the Diamondbacks. He did not factor into the decision.