Sources close to the situation have informed Boxingtalk.com that junior lightweight king Marco Antonio Barrera is expected to headline an HBO World Championship Boxing card on March 25. No opponent has been solidified, but  IBF lightweight champion Jesus Chavez  appears to be the frontrunner and WBO junior lightweight champion Jorge Barrios is certainly in the mix. Golden Boy Promotions CEO Richard Schaefer was unavailable for immediate commet. Remember where you heard it first! (12:15 PM EST)