Word has reached Boxingtalk that Jimrex Jaca, who is slated to face former featherweight king and current WBO interim champion, Juan Manuel Marquez on Saturday has failed to receive a visa to enter the United States. Neither Golden Boy Promotions CEO Richard Schaefer nor matchmaker Eric Gomez were available for immediate comment. Unless a last minute replacement is secured, the loss of Jaca could place Saturday's card in serious jeopardy. More to follow. Rememeber where you heard it first! (10:33 AM EST)