FILE - In this Sept. 1, 2016, file photo, a San Diego Chargers helmet sits on the field before a preseason NFL football game against the San Francisco 49ers, in San Diego. The Chargers are moving to Los Angeles, where they will join the recently relocated Rams in giving the nation's second-largest media market two NFL teams for the first time in decades. The announcement was made Thursday, Jan. 12, 2017. (AP Photo/Denis Poroy, FIle)