The Subway is definitely the way to travel. Super safe and easy. It will take you to most anywhere you wanna go with stops in all the prime places to visit. You can buy a week pass and it will pay for itself. If time permits the trip to Salem is fun. You can catch a ferry ride that will take you...
They do sell beer inside Scoreboard Club in a couple spots. They have the normal, Bud Light, Michelob Ultra etc.
They do have lockers and they will email you pretty soon on the locker stocking days. Usually its the Friday afternoon before the game on Saturday. You should get a email a few days...