Trent Jordan "T. J." Watt, is an American football outside linebacker for the Pittsburgh Steelers of the National Football League (NFL), and is the younger brother of professional football players, J. J. Watt and who?
Derek Watt
T. J. Watt
Trent Jordan "T. J." Watt (born October 11, 1994) is an American football outside linebacker for the Pittsburgh Steelers of the National Football League (NFL).
 He played college football at the University of Wisconsin, and was drafted by the Steelers in the first round of the 2017 NFL Draft.
 He is the younger brother of professional football players J. J. Watt and Derek Watt.
J. J. Watt
Justin James "J. J." Watt (born March 22, 1989) is an American football defensive end for the Houston Texans of the National Football League (NFL).
 He was drafted by the Texans with the 11th pick in the first round of the 2011 NFL Draft, and played college football at Wisconsin.
Bud Dupree
Alvin "Bud" Dupree Jr. (born February 12, 1993) is an American football outside linebacker for the Pittsburgh Steelers of the National Football League (NFL).
 He played college football at Kentucky, and was drafted in the first round of the 2015 NFL Draft by the Steelers. Jack Ham
Jack Raphael Ham Jr. (born December 23, 1948) is a former American football outside linebacker who played for the Pittsburgh Steelers of the National Football League (NFL) from 1971 to 1982.
 He is considered one of the greatest outside linebackers in the history of the NFL.
 Ham was inducted into the Pro Football Hall of Fame in 1988 and the College Football Hall of Fame in 1990. Jason Worilds
Jason Adjepong Worilds (born March 3, 1988) is a former American football outside linebacker who played in the National Football League (NFL).
 He was drafted by the Pittsburgh Steelers in the second round of the 2010 NFL Draft.
 He played college football at Virginia Tech. Keion Adams
Keion Adams (born June 8, 1995) is an American football outside linebacker for the Pittsburgh Steelers of the National Football League (NFL).
 He played college football at Western Michigan University. Derek Watt
Derek John Watt (born November 7, 1992) is an American football fullback for the Los Angeles Chargers of the National Football League (NFL).
 He played college football at Wisconsin, and was drafted by the Chargers in the sixth round of the 2016 NFL Draft.
 His older brother is Houston Texans defensive end J. J. Watt, and his younger brother is Pittsburgh Steelers linebacker T. J. Watt. Chris Carter (linebacker)
Christopher Darnell Carter (born April 6, 1989) is an American football outside linebacker for the Washington Redskins of the National Football League (NFL).
 He was drafted by the Pittsburgh Steelers in the fifth round of the 2011 NFL Draft.
 He played college football at Fresno State. Anthony Chickillo
Anthony Chickillo (born December 10, 1992) is an American football outside linebacker for the Pittsburgh Steelers of the National Football League (NFL).
 He played college football at the University of Miami. Arthur Moats
Arthur Moats (born March 14, 1988) is an American football outside linebacker for the Pittsburgh Steelers of the National Football League (NFL).
 He was drafted by the Buffalo Bills in the sixth round of the 2010 NFL Draft.
 Moats played college football at James Madison, where he was team captain.
 He is well known for delivering the hit on Minnesota Vikings quarterback Brett Favre that ended Favre's streak of consecutive starts the following week at 297.