Kyle Tucker's swing has been letting him down this season. So much so that the Los Angeles Dodgers' outfielder has spent a lot of time taking postgame batting practice, according to ESPN's Alden Gonzalez, who adds that Tucker had never done that before in his major league career.Tucker is searching for something, anything, to unlock what he's doing.The Dodgers signed him for four years and $240 million. That comes with expectation.And while Tucker has downplayed the added hype that comes with his contract, the reason is almost less important than the reality -- that Tucker hasn't hit well enough for the Dodgers so far this season.Part of the problem is something that's very specific to Tucker's swing."It all comes down to Tucker's swing," Gonzalez writes. "It's longer and flatter than that