The Los Angeles Rams will provide the producers of HBO Sports' documentary “Hard Knocks” plenty of intrigue and even thought-provoking fare as the team embarks on its new first season in L.A. and prepares for the 2016 season. None will perhaps be greater than the Rams relocation effort from St. Louis and its return to Los Angeles after 22 years away (which includes increased attention from hordes of media), and how the No. 2 media market in the country welcomes the Rams and the NFL back after a lengthy absence.