Undefeated Heavyweight Rising Star Seth Mitchell hits the heavy bag on April 18, 2012 in Clinton, Maryland during a media workout in preparation for his April 28, 2012 fight against Chazz Witherspoon at Boardwalk Hall in Atlantic City, New Jersey in the co-main event to the Bernard Hopkins vs. Chad Dawson light heavyweight world championship, both of which will be televised live on HBO World Championship Boxing®. Photos by Delane Rouse/Hoganphotos