While this year's free-agent market offers scant playmakers on offense, teams in need of a defensive lineman are in luck.
Here's our list of the best available defensive ends and defensive tackles:
Top defensive ends
1. Michael Johnson, Cincinnati Bengals
2. Lamarr Houston, Oakland Raiders
3. Michael Bennett, Seattle Seahawks
4. Jared Allen, Minnesota Vikings
5. Arthur Jones, Baltimore Ravens
6. Justin Tuck, New York Giants
Marc Sessler has suggested a reunion with new Minnesota Vikings coach Mike Zimmer as Johnson's best fit, but an Atlanta homecoming also makes sense for the former Georgia Tech star. ... Houston played at a Pro Bowl level in the first half of last season. He might be even more productive as a 3-4 end outside of Oakland. ... Bennett deserves to get paid after settling for a one-year deal last year. Will his brother succeed in luring him to Chicago?
Allen appears to be leaving Minnesota to chase a Super Bowl ring. The Seahawks and Broncos were reported to be interested at the trade deadline last season. ... Jones has been overshadowed by two of his brothers, but he's about to get paid as a disruptive five-technique end still in his prime. ... Just when we thought Tuck was washed up, he exploded for 9.5 sacks in the final six games of last season.
7. Tyson Jackson, Kansas City Chiefs
8. Willie Young, Detroit Lions
9. Shaun Phillips, Denver Broncos
10. Anthony Spencer, Dallas Cowboys
11. Antonio Smith, Houston Texans
12. Alex Carrington, Buffalo Bills
13. Robert Ayers, Denver Broncos
14. Jason Babin, Jacksonville Jaguars
15. Jeremy Mincey, Denver Broncos
16. Corey Wootton, Chicago Bears
Formerly considered a first-round bust, Jackson has turned his career around as an early-down run-stopper. ... Young outplayed ballyhooed first-round pick Ziggy Ansah last season. ... Phillips was Denver's most valuable pass rusher after being left for dead on last year's market. ... Spencer is a risky signing coming off microfracture knee surgery.
Smith is a productive, scheme-versatile pass rusher on the wrong side of age 30. ... Carrington is a younger, poor man's version of Smith. ... Ayers is best teamed with a tandem partner who can rush the passer. ... Mincey's effectiveness has waned over the past two seasons. ... Coming off hip surgery, Wootton expects to be healthy by training camp.
Best of the rest
Matt Shaughnessy, Will Smith, Frostee Rucker, Ziggy Hood, Mike Neal, Israel Idonije, Daniel Te'o-Nesheim, Adam Carriker, Andre Carter and Brett Keisel
Teams with the biggest need
Atlanta Falcons, Oakland Raiders, Chicago Bears, Tampa Bay Buccaneers, Green Bay Packers, Jacksonville Jaguars, Indianapolis Colts, Dallas Cowboys, Pittsburgh Steelers, Minnesota Vikings and Washington Redskins
Top defensive tackles
Hatcher was the league's most dominant three-technique tackle in the first half of last season. On the down side, he turns 32 during training camp. ... Melton would have a strong argument as the most attractive free agent available if he weren't coming off ACL surgery. ... Raji reportedly turned down $8 million annually from the Packers. He will struggle to match that offer on the open market.
Starks has flown under the radar as one of the NFL's most well-rounded and productive interior defenders over the past half-decade, but he's now entering his age-30 season. ... Joseph is a durable, stout run defender just entering his prime.
6. Paul Soliai, Miami Dolphins
7. Red Bryant, Seattle Seahawks
8. Pat Sims, Oakland Raiders
9. Jonathan Babineaux, Atlanta Falcons
10. Clinton McDonald, Seattle Seahawks
Best of the rest
Kevin Williams, Earl Mitchell, Cam Thomas, Vance Walker, Terrence Cody, Ryan Pickett, Johnny Jolly, Tony McDaniel, Mike Patterson, Letroy Guion, Shaun Rogers, Aubrayo Franklin, Peria Jerry, Fili Moala and Jay Ratliff
A throwback to the days of monstrous nose tackles such as Ted Washington and Grady Jackson, Soliai is an unmovable fire hydrant in the run game. ... A mammoth run-stuffing five-technique end in Pete Carroll's defense, Bryant might have to move inside with another team. Will former Seahawks coordinator Gus Bradley import him to Jacksonville?
Sims quietly rivaled Houston as the Raiders' most effective defensive player in 2013. ... Babineaux remains strong against the run but offers little pass-rushing value entering his twilight years. ... Stolen from the Bengals in a 2011 trade, McDonald has developed into a key member of the Seahawks' vaunted pass-rushing rotation.
Teams with the biggest need
Chicago Bears, Dallas Cowboys, Green Bay Packers, Jacksonville Jaguars, Atlanta Falcons, Minnesota Vikings, Oakland Raiders, Tennessee Titans, New York Giants, New England Patriots and Minnesota Vikings
Most overrated: B.J. Raji
Raji will get paid because there's a scarcity of human beings with his size and talent level, but he's had just two sacks and four quarterback hits over his last 30 games. That lack of playmaking ability would be easier to stomach if his impact in the run game hadn't fallen off the map last season.
Most underrated: Randy Starks
Starks is everything Raji is billed to be: a disruptive pocket pusher who puts heat on quarterbacks and clogs lanes in the running game. After playing under the franchise tag in 2013, Starks is primed to cash in as a high-end three-technique tackle.
Best fit: Lamarr Houston to the Packers
General manager Ted Thompson is ready to open his checkbook for the first time in recent memory as the Packers retool their defensive line to add athleticism and versatility. Houston offers both qualities as a scheme-versatile lineman capable of stopping the run on early downs and kicking inside to rush the passer in nickel packages.
Toughest to evaluate: Pat Sims
Henry Melton fits this category as well, but Sims is the quintessential enigma. There are games in which he looks like the most dominant player on the field (versus the Giants in Week 10 and Chargers in Week 16 of last season) and others in which he disappears completely. If any coach can get his motor running consistently, Sims would be a free-agent steal.