“I felt muscles I never knew I had,” he tells Men’s Journal about
the difficult physical regimen he felt to become boxer Adonis Johnson
in the movie. He enlisted trainer Corey Calliet to
whip him into shape to get ring-ready. "He's filled with wisdom," Jordan says of Calliet, a
experienced bodybuilder. "He really helped me find the authenticity in the
ring and let me know when I shouldn't hold back."