Boxingtalk has been informed that undefeated WBC light heavyweight champion "Awesome" Chad Dawson's next defense could take place on a special installment of Showtime Championship Boxing on September 29.  Tarver promoter Joe DeGuardia was unavailable for immediate comment, Dawson's promoter Gary Shaw had "no comment." More to follow until then Remember where you heard it first! (4:05 PM EST)