ALAMEDA, Calif. -- Technically, the Oakland Raiders broke camp in Napa, California, on Tuesday, but Saturday’s practice was considered the last “camp” practice -- as in the last time media can watch the entire workout. After off days on Sunday and Monday, the Raiders will go into regular-season mode, so to speak, on Tuesday for next Saturday’s home preseason game against the Tennessee Titans. Teams use the third exhibition as a dress rehearsal, of sorts, for a regular-season game. “So, we’ll take them through the paces this next week,” Raiders coach Jack Del Rio said, “how they get their information, all that kind of stuff.