They can talk with other teams about what they may get back for Miller before be submits the list. They may even talk with teams that are on the list out of curiosity. Before or after those talks (def before Wednesday) they'd ask for the list.
In order to not piss off the player you would have that semi-deal in place but not on paper before you ask the player.
Personally, I can't drink any flavored beer. Same goes for coffee. I do like that Hop Stooopid that was mentioned. Got a 12 of Sam Adams Hopology. It was the worst. Tasted like I was drinking one of those pine tree air fresheners you put in your car.