The Weinstein Company docu Bully has really touched a nerve. In the latest promotion for the Lee Hirsch-directed film, New York Yankees stars Derek Jeter, Mariano Rivera, Alex Rodriguez, Curtis Granderson and manager Joe Girardi took time to do a PSA to urge the audience to sign on to a website for the film and its Bully Project petition. The Yankees stars join an army of other celebs who’ve spoken out against bullying, on behalf of a film that already got more publicity than most documentaries before the MPAA changed the film’s R rating to a PG-13. Here’s the PSA: