What does the Yankees #1 system ranking really mean?

This week, Bleacher Report ranked the Yankees as the number 1 farm system in baseball entering the 2017 season. That juicy hot take got many fans excited, and rightfully so. I know it certainly made it move for me… just saying.

06 OCT 2016: New York Yankees top two prospects Gleyber Torres and Clint Frazier during the Florida Instructional League (FIL) game between the FIL Yankees and the FIL Phillies at Bright House Field in Clearwater, Florida. (Photo by Cliff Welch/Icon Sportswire via Getty Images)

The last time the Yankees system was ranked so highly was 2000, but before we get to that, I took a look at previously number 1 ranked teams to see what level of success they had after their…