Born in Salinas, California, Willoughby was raised and attended high school in the town of Gustine in San Joaquin Valley. While attending Gustine High School, he played four years of varsity baseball as well as basketball and football, eventually participating in track events.
Born in Salinas, California, Willoughby was reared and attended high school in the town of Gustine in San Joaquin Valley. During his time at Gustine High School, he participated in four years of varsity baseball, as well as basketball and football, eventually competing in track events.