"Several sources told The Chronicle on Sunday night that a Tuesday press conference appears likely after the Hideki Matsui signing is finalized. That doesn't rule out an announcement on Monday, but the team might choose to wait until everyone is assembled, especially considering the entourage that comes with Matsui - translator, public relations person, dozens of Japanese reporters. Matsui's popularity in the Asian community could make this one of the A's bigger press conferences in recent years."