NFL reporter Dianna Russini resigned from The Athletic on Tuesday amid mounting criticism over her relationship with New England Patriots head coach Mike Vrabel, which came under fire last week after the two were photographed together at an exclusive resort in Arizona. Russini announced her resignation in a letter to Athletic Executive Editor Steven Ginsberg, which was obtained by The Associated Press. “I have covered the NFL with professionalism and dedication throughout my career, and I stand behind every story I have ever published. When the