Over his last four starts, he’s posted a 5.18 earned-run average. In the most recent game he pitched, he gave up three home runs for the first time in either the majors or Japan. Only in this instance, the numbers are misleading. Yoshinobu Yamamoto is ready. After a dominant start to the season, Dodgers ace Yoshinobu Yamamoto has struggled recently and saw his record drop to 3-3 after Tuesday’s 6-2 loss to the Giants. Jayne Kamin-Oncea-Imagn Images He’s ready to start delivering the kinds of performances that were anticipated of him after his historic performance in the playoffs last year. He’s ready to start pitching like the Cy Young Award contender he was expected to be. “Almost there,” Yamamoto said in Japanese. Sign up for the California Morning Report newsletter California's top news, sports and entertainment delivered to your inbox every day. Thanks for signing up! His line in his loss to the San Francisco Giants was particularly hideous: a season-high five runs in 6 ⅓ innings.…