The couple was arrested Thursday after witnesses told police the couple beat the man as he was leaving the restaurant.
Police say 31-year-old Jared Garfagna of Marshfield punched the man in the head, and then Garfagna's girlfriend, 24-year-old Sara Mohn, kicked the man. The victim had cuts on his eyelid and wrists.
Mohn has been charged with assault and battery with a dangerous weapon. Garfagna has been ordered to appear in court on assault and battery charges. It's unclear whether either has hired an attorney.