The 27-year-old Milford, Ohio, native trains alongside recent Strikeforce signee Roger Bowling at Vision MMA in Cincinnati. O’Donnell holds notable wins against Rafael “Sapo” Natal and UFC veteran Forrest Petz, having finished them both. O’Donnell has not competed since September, when he fell from the ranks of the unbeaten in a unanimous decision loss to Costantinos Phillippou at Ring of Combat 26.