Departing the NBA with 213 games under his belt, Yuta Watanabe will have plenty of suitors in his homeland after declaring he will join Japan’s B-League ahead of the 2024-2025 season. While the signing of one of Japan’s biggest-ever basketball stars will be a coup for one team, it will provide an overall boost for a league rapidly gaining popularity following the success of the Watanabe-led national team at the 2023 FIBA Basketball World Cup in Okinawa. “Just imagining him playing on the B-League stage excites me,” league chairman Shinji Shimada said after a board meeting in late April. “Leade…