The non-tender deadline for 2017 is fast approaching. This year, the deadline falls on December 1st at 11:59pm EDT. By that point, teams must decide whether or not they will tender contracts to each of their arbitration-eligible players.
Those players who aren't tendered contracts will be eligible to negotiate with all 30 MLB teams. So leading up to that time, we'll see flurry of players join the free agent market.