In what could be knockout of the year, Sergio Martinez takes out Paul Williams in the second round. Airs Tues., Dec. 28 at 12am ET/PT on HBO. Also available on HBO On Demand. For more information, visit http://itsh.bo/lvp8Cq.
Watch HBO Boxing events online at HBO GO® http://itsh.bo/mxUXD0.
With HBO GO, you can watch HBO Boxing events on your iPad® (http://itsh.bo/hbogoapple), iPhone® (http://itsh.bo/hbogoapple) or Android™ (http://itsh.bo/hbogoandroid) smartphone. Free with your HBO subscription through participating TV providers.
Connect with HBO on Facebook & Twitter
http://www.facebook.com/hboboxing
http://www.twitter.com/hboboxing