Will they announce all the entrants at the start like they do at Diamond League meets? If/when Rupp's name is announced, how will the crowd react? Cheers, boos, silence? It's probably in Rupp's favor that he's running at home.
I think he'll get his usual, which is a slightly louder cheer than everyone else. It would be interesting though if the crowd gave him the silent treatment. I can't imagine him getting boo'ed.