http://www.notifight.com/artman2/publish/Reporte_7/Lewkowicz_Sergio_Mart_nez_pelear_el_1_10_por_t_tulo.php
http://www.boxingscene.com/sergio-martinez-chavez-i-accept-im-holding-my-date--39739
http://www.boxingscene.com/marquez-says-june-fight-off-toshiaki-bout-on-10-1--39872