No, the trade deadline isn't for two-and-a-half months. But the Milwaukee Brewers are already hard at work behind the scenes. By the time trades are made in July, teams have already spent months thinking about who can be dealt and who is untouchable. This Brewers team has a lot of untouchable assets , so if there are going to be meaningful moves made, the front office will have to be aggressive with those it sees as expendable. This is our best guess at predicting the three names that could fetch the Brewers the most appealing returns at the deadline -- at least, among those who have a serious chance of being shipped out. If you like our content,  choose Sports Illustrated as a preferred source on Google . Tyler Black - 1B/3B/OF Milwaukee Brewers infielder Tyler Black, shown running the bases early in spring camp, had another big day at the plate on Thursday, Feb. 26, collecting three hits with a pair of RBI in a 5-1 victory over the Rangers in Cactus League action.…