He is known for his role as Ryan O'Reily on the HBO prison drama Oz, and has also appeared on such television series as Rescue Me, 30 Rock, and Law & Order: Special Victims Unit, as well as the character ''Mayhem'' in a series of Allstate Insurance commercials. Winters co-starred with Josh Duhamel in one season of the CBS Network cop drama series Battle Creek.
Answer this question, making sure that the answer is supported by the text: who is the guy that plays mayhem on the commercials?

Pick from: a). no; b). yes;
a).