How NBA draft tiers are used

NBA teams often use the tier system to make their selections on draft day

Updated: June 20, 2013, 1:35 PM ET
By Chad Ford | ESPN Insider

Every time I put up a new mock draft (Mock Draft 5.0 was updated on Tuesday), I get a lot of feedback from readers who wonder how I put it together and how it differs from the Big Board and Top 100.

This is how it works: Both pieces are reported pieces. In other words, I talk with NBA scouts and executives to get a sense of: