Grading what the Yankees did at this year's MLB trade deadlineWere the Yankees overprotective of their prospects?8/1/2019, 2:23 AMMar 15, 2019; Tampa, FL, USA; New York Yankees general manager Brian Cashman and manager Aaron Boone (17) talk prior to the game against the Boston Red Sox at George M. Steinbrenner Field. Mandatory Credit: Kim Klement-USA TODAY Sports / Kim Klement