After an awkward start as an Astro, Yusei Kikuchi found his groove, striking out 11, including a franchise-record-tying eight straight, in Houston’s 3-2 win over the Tampa Bay Rays on Friday. The 33-year-old lefty, acquired from the Toronto Blue Jays on Monday, allowed a double and a home run to the first two batters he faced at Houston’s Minute Maid Park. “I kept us in the game and we were able to win,” said Kikuchi, who did not figure in the decision. “I am really relieved.” Kikuchi allowed two runs on three hits and three walks in 5-2/3 innings, and left with the game tied 2-2. The Astros b…