The NFL preseason is over. The season is less than a week away from kicking off -- and that means it's time for teams to trim their rosters to 53 players before Saturday's roster deadline.

Melvin Gordon, DeVante Parker and Nelson Agholor all came off the board in the first 20 picks last April, but Year 1 certainly didn't go as planned. Bucky Brooks identifies the 12 worst draft classes.

Amari Cooper and Marcus Peters were both spectacular in Year 1. Melvin Gordon? Not so much. Bucky Brooks has rookie grades for all four AFC West teams, plus scouting reports for the combine.