The echoes of bouncing basketballs resonate through a quiet gym. This is where Sergey Grishaev, a towering figure with broad shoulders and a quiet intensity, spends his time these days. Though his playing days are behind him, his love for the game hasn’t waned. Beside him stands his daughter, Nadezhda Grishaeva, equally tall, with the same sharp gaze that reveals a deep understanding of basketball.