Station log: stardate unknown Rivals was written by Joe Menosky from a story by Jim Trombetta and Michael Piller. It originally aired on 2 January, 1994. Quark (Armin Shimerman) has trouble on the Promenade when an El-Aurian con artist, Martus Mazur (Chris Sarandon) arrives on the station and plans to open a competing bar. Mazur…