Actor Juan Carlos Diaz has requested a restraining order be filed against Emilio Estefan Jr., hubby of Gloria Estefan, alleging he threatened him and "touched him in an unwanted manner." Diaz further contends that Estefan requested sexual favors over a two-year period. Estefan's lawyer insists his client is the victim of "unfounded allegations and scandalous remarks." A hearing is set for Jan. 28.