Japan U-23 winger Koki Saito has joined Queens Park Rangers in the English second-tier Championship on Tuesday in a loan deal, while Japan defender Yuta Nakayama is joining J-League first-division leaders Machida Zelvia after leaving Huddersfield. Saito, who started three of Japan’s four games at the recent Paris Olympics, joins QPR from Belgian second-tier outfit Lommel. The 23-year-old dribbler spent the past two seasons at Dutch side Sparta Rotterdam, also on loan. Nakayama left Huddersfield in May following their relegation from the Championship. The 27-year-old is J1 debutants Machida’s s…