The Bills are about to take center stage on HBO’s “Hard Knocks.”  Here are a few storylines that could steal the show in Tuesday’s first episode.

Renu Sudhi, Appani Sarath, Shaitya Santhosh, Adhila and Noora, Nevin, Shanavas, Sarika, Ranjeet, Gizele Thakral, Binny Noobin ...