Caroline Dubois throws down challenge to Alycia Baumgardner: 'The biggest test for her career is going to be against me'

Caroline Dubois was ringside to see Alycia Baumgardner beat Elif Nur Turhan to become a two-weight world champion; if Dubois wins her next fight against Stephanie Han, she is determined to meet Baumgardner in an undisputed unification; watch Dubois vs Han on February 20 live on Sky Sports