The Diamondbacks acquired third baseman Nolan Arenado in a trade with St. Louis, concluding the Cardinals' year-plus-long effort to deal the eight-time All-Star.

Chris Towers and I will be making the Offseason Tracker our home base for the next few weeks, churning out content as the news warrants. Here, you'll get a breakdown of all the moves that matter for Fantasy Baseball without all the fluff.