The enormous 6-2, 340-pound defensive tackle teamed with Ted Washington to form one of the NFL's fiercest run-stuffing duos in 2001-02.

Urlacher utilized a rare combination of size, speed and power to wreak havoc on opposing ballcarriers during an illustrious career with the Bears from 2000-12.

Connor was the first of the NFL's big, mobile outside linebackers. He was voted to the first four Pro Bowls from 1951-54 and inducted into the Hall of Fame in 1975.

George invented the middle linebacker position by dropping back off the line of scrimmage, but he was also a force against the run during his Hall of Fame career with the Bears from 1952-65.

Although he was overshadowed by Hall of Fame teammates Richard Dent, Mike Singletary and Dan Hampton, Mongo was an ornery hombre in the middle of the Bears line from 1981-93.

The mammoth 6-5, 365-pound Washington looked more like a condominium in the middle of the Bears defensive line than a human in two seasons in Chicago in 2001-02.

The Fridge garnered more publicity as the world's largest ballcarrier, but he also devoured opposing running backs in the middle of the Bears defensive line for eight seasons from 1985-92.

"Samurai Mike" destroyed opposing ballcarriers on a regular basis during his Hall of Fame career with the Bears from 1981-92 and he had the cracked helmets to prove it.

The Hall of Famer was nicknamed "The Danimal" because he appeared to be part animal during his illustrious career as a defensive end and tackle with the Bears from 1979-90.

Arguably the most ferocious defensive player in NFL history, Butkus mangled opposing running backs for nine memorable seasons with the Bears from 1965-73.