The saying that defense wins championships was exemplified in the 2024 NFL season. The Philadelphia Eagles’ defense played a critical role in their triumph in Super Bowl LIX, especially their front four. Here are the top 25 defensive players expected to become available in free agency come March 2025.

Honorable mentions:

• Robert Spillane (Raiders)
• Dayo Odeyingbo (Colts)
• Haason Reddick (Eagles)
• Lavonte David (Buccaneers)
• Baron Browning (Cardinals)
• Malcolm Koonce (Raiders)
• Chauncey Golston (Undisclosed)
• Jamien Sherwood (Jets)
• Stephon Gilmore (Vikings)
• Tershawn Wharton (Chiefs)
• Ernest Jones (Seahawks)
• Bobby Wagner (Commanders)

25. Azeez Ojulari

Azeez Ojulari has recorded 22 career sacks across 46 games, indicating his potential, though his career pressure statistics leave us wanting more. He will turn 25 on June 16.

24. Justin Simmons

Justin Simmons boasts the most interceptions (32) since 2016, proving he is a valuable asset despite his age at 31.

23. Levi Onwuzurike

With versatility to impact on any defensive line, Onwuzurike needs to improve his durability moving forward.

22. Dre Greenlaw

Greenlaw’s contributions are vital to the 49ers’ defense, and he will look to return strong after injuries hampered his play.

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