Mel Kiper Jr. is back with his second 2013 NFL mock draft for the first round.We'll run through the projected picks for NFC West teams, beginning in reverse order and working our way forward. I'll include snippets from Kiper's analysis, followed by my own thoughts.30. San Francisco 49ers: John Jenkins, DL, GeorgiaKiper's give: The current construct of the Niners' roster really offers them a great chance to maximize value, and getting a player like Jenkins this far down the board would represent a lot of value.