Boxingtalk was on hand for IBF heavyweight champion Chris Byrd's open workout in Las Vegas last weekend. Byrd appears to be in tremendous shape heading into his April 22 defense against Wladimir Klitschko. Byrd-Klitschko II will be televised live on HBO at 5PM ET/2PM PT. Chris and father/trainer Joe Byrd spoke with the assembled media and former three division champion "Sugar" Shane Mosley goes one on one with Boxingtalk.com to give us all the latest regarding his likely rematch with Fernando Vargas.