In this continuing series, we take a look ahead at US-bred and/or conceived runners entered for the upcoming weekend at the tracks on the Japan Racing Association circuit, with a focus on pedigree and/or performance in the sales ring. Here are the horses of interest for this weekend running at Kokura, Niigata and Sapporo Racecourses: Saturday, August 12, 2023 2nd-NII, ¥10,480,000 ($72k), Maiden, 2yo, 1800mT ROCK CITY BOY (c, 2, City of Light--Mississippi Coast, by Super Saver) was acquired in utero for $125,000 at the 2021 Keeneland January Sale and...