Last December at the winter meetings, Dodgers manager Dave Roberts expressed his confidence in the composition of his roster. There was "really no big splash," he claimed, that needed to be made. Nonetheless, a few days later, the Dodgers gave Edwin Díaz the highest average annual salary ever for a reliever when they signed him to a three-year, $69 million deal. One month after that, they signed Kyle Tucker for four years and a staggering $240 million, a deal that set a record for present-day average annual value. The moves for the best closer and player on the market felt superfluous, but at...