NFL free agency preview: Top 25 defensive players, led by a mountain of a defensive end (Shutdown Corner)

A lot of the best defensive players were taken off the market due to the franchise tag: Kansas City Chiefs safety Eric Berry, Arizona Cardinals outside linebacker Chandler Jones, Los Angeles Rams cornerback Trumaine Johnson, Carolina Panthers defensive tackle Kawann Short, Los Angeles Chargers outside linebacker Melvin Ingram and New York Giants defensive end Jason Pierre-Paul.
Source: Yahoo.com