At every time during which the Brewers have been competitive and relevant, trades have been a major driver of their growth and maintenance. They occupy one of baseball’s smallest markets, which limits their ability to build via free agency. Drafting and developing talent is a vital task for teams in this position, but the only truly, fully homegrown teams are terrible ones. To be good, you have to supplement good homegrown talent by bringing in talent from outside the walls of the organization, and in the Brewers’ case, that usually means trades.