by Kevin Cody To most of the thousand-plus fans cheering in front of the Ram Draft Experience stage on the sand, south of the Hermosa Beach pier Thursday afternoon, emcee Sam Lagana is the “voice of the Rams” at SoFi Stadium. But when Lagana welcomed Hermosa Beach Mayor Justin Massey and fellow city officials to the stage Thursday afternoon, it was a meeting of old acquaintances. To Hermosans, Lagana is “the emcee of the party that was the AVP” during…