Dave Cameron made a list of his best transactions of the 2016 offseason over at Fangraphs. The transactions were graded by value added and the impact it had on the team's odds of making the playoffs.
Somehow, Cameron did not include a single transaction made by the Tampa Bay Rays this offseason in his top 10. He only included the two big ones as honorable mentions: The Nate Karns trade to the Mariners, and the swap for Corey Dickerson.
SS Brad Miller, 1B/DH Logan Morrison and reliever Danny Farquhar were acquired almost immediately to begin the offseason on November 5th, 2015 at the expendable cost of starter Nate Karns, reliever C.