Nolan Harrison III (born January 25, 1969 in Chicago, Illinois) is a former American football defensive lineman who played ten seasons in the National Football League for the Los Angeles/Oakland Raiders, the Pittsburgh Steelers, and the Washington Redskins.
 He played college football at Indiana University and was team captain All Big 10 Honorable Mention.
 Harrison was drafted in the sixth round of the 1991 NFL Draft.
 Harrison was a member of the Delta Chi Fraternity while at IU and received The Distinguished Delta Chi Award from the national Delta Chi Fraternity in 1997.
 He went to Homewood-Floosmoor High School in Flossmoor, Illinois and was a three-sport varsity letter winner in wrestling (185 pound weight class and heavyweight), track (400 m relay and mile relay) and football (defensive lineman) and in 2009 his high school football number was officially retired at a ceremony during the halftime of a McDonald's charitable basketball game being played by other former and current NFL players.
Rex L. Mirich (born March 11, 1941) is a former American football defensive lineman in the American Football League (AFL) and the National Football League (NFL).
 After playing college football for Northern Arizona, Mirich was drafted by both the AFL and the NFL in 1963.
 He was selected by the Minnesota Vikings in the 16th round (212th overall) of the 1963 NFL Draft and by the Oakland Raiders in the 20th round (153rd overall) of the 1963 AFL Draft.
 He played seven seasons for the AFL's Oakland Raiders (1964–1966) and Denver Broncos (1967–1969), and the NFL's Boston Patriots (1970).
Glen Paige Condren (born June 10, 1942) is a former American football defensive lineman in the National Football League.
 He played college football for the Oklahoma Sooners.
 Condren was selected in both the 1964 NFL Draft (by the New York Giants in the 11th round (152nd overall)) and the 1964 American Football League Draft (by the New York Jets in the 19th round (147th overall)).
 He played seven seasons for the NFL's New York Giants (1965–1967) and the Atlanta Falcons (1969–1972).
 Glen also played minor league football with the (Huntsville) Alabama Hawks of the Continental Football League.
 Married to Sheila Condren.
William Karnet Willis (October 5, 1921 – November 27, 2007) was an American football defensive lineman who played eight seasons for the Cleveland Browns in the All-America Football Conference (AAFC) and the National Football League (NFL).
 Known for his quickness and strength despite his small stature, Willis was one of the dominant defensive football players of the 1940s and early 1950s.
 He was named an All-Pro in every season of his career and reached the NFL's Pro Bowl in three of the four seasons he played in the league.
 His techniques and style of play were emulated by other teams, and his versatility as a pass-rusher and coverage man influenced the development of the modern-day linebacker position.
 When he retired, Cleveland coach Paul Brown called him "one of the outstanding linemen in the history of professional football".
 Willis was also one of the first African Americans to play professional football in the modern era, signing with the Browns a year before Jackie Robinson broke the color barrier in Major League Baseball with the Brooklyn Dodgers.
William Anthony Perry (born December 16, 1962) is a former American professional football player who was a defensive lineman in the National Football League (NFL) for ten seasons during the 1980s and 1990s.
 Perry played college football for Clemson University, and was recognized as an All-American.
 He was selected in the first round of the 1985 NFL Draft, and played professionally for the Chicago Bears and Philadelphia Eagles of the NFL.
 In reference to his imposing size, he was popularly known as "The Refrigerator" or, abbreviated, "The Fridge".
 Perry also occasionally played at fullback at the goal line due to his size and power.
Peter D. Kugler (born August 9, 1959 in Philadelphia, Pennsylvania) was an American football defensive lineman who played ten seasons in the National Football League for the San Francisco 49ers.
 He also played for the Philadelphia/Baltimore Stars of the USFL.
 He played college football for Penn State University.
Garry William Howe Jr. (born June 20, 1968) is a former American professional football player who was a defensive lineman in the National Football League (NFL) and the World League of American Football (WLAF).
 He played for the Pittsburgh Steelers, Cincinnati Bengals and Indianapolis Colts of the NFL, and the Frankfurt Galaxy and Amsterdam Admirals of the WLAF.
 He also played fullback for the Iowa Barnstormers as well as defensive lineman from 1995 to 2000.
 Howe played collegiately at Drake University and the University of Colorado.
Leonard Allen Marshall Jr. (born October 22, 1961) is a former American football defensive lineman who played twelve seasons in the National Football League (NFL).
 Selected 37th overall in the 1983 NFL Draft, he spent the first ten seasons of his career with the New York Giants where he accumulated 79.5 sacks, ranking him third in team history.
 He was twice selected to the Pro Bowl and twice named NFL Defensive Lineman of the Year following the 1985 and 1986 seasons.
 He won two championships with the Giants, recording three sacks in the two Super Bowl games which he played in.
 Marshall is most famously known for his 1991 hit on Joe Montana that knocked him out of the NFC championship game.
 After his time with the Giants, Marshall went on to play a season each for the New York Jets and Washington Redskins, then retired from football at the age of 33.
 He played college football at Louisiana State University.
Manuel Sistrunk (born June 16, 1947 in Montgomery, Alabama) is a former American football defensive lineman who played ten seasons in the National Football League.
 He played college football for Arkansas AM&N (now known as the University of Arkansas at Pine Bluff) and was drafted in the fifth round of the 1970 NFL Draft.
Michael Dean Perry (born August 27, 1965) is a former American football defensive lineman and the younger brother of William Perry.
 His parents are Mrs. Inez S. Perry [deceased] and Hollie Perry, Sr. of Aiken, South Carolina.
 He learned to play football from his older brothers.
 He attended South Aiken High School where he anchored the offensive and defensive line.
 He played football at Clemson University and set the school record of 28 sacks (tied by defensive end Gaines Adams in 2006 and then broken by Vic Beasley in 2014).
 He was later drafted by the Cleveland Browns in the second round of the 1988 NFL Draft.
 He played in the Pro Bowl 6 times and played for the Browns, the Denver Broncos, and the Kansas City Chiefs over his 10-year career.

Question: Michael Dean Perry (born August 27, 1965) is a former American football defensive lineman and the younger brother of what defensive lineman in the National Football League (NFL) for ten seasons during the 1980s and 1990s?
Answer: William Anthony Perry