With free agency approaching (March 9), we're analyzing the biggest needs on the New York Jets' roster, examining possible upgrades:
Position: Defensive line
2017 cap hits of top returnees:
Muhammad Wilkerson -- $18 million
Sheldon Richardson -- $8.1 million
Leonard Williams -- $5.1 million
Steve McLendon -- $3.9 million
Pending free agents: Mike Pennel (restricted).
Key stat: The defense was terrible with a four-man rush.