Lawrence Edward "L. J." Collier Jr. (born September 12, 1995) is an American professional football defensive end for the Arizona Cardinals of the National Football League (NFL). He played college football at TCU, and was drafted by the Seahawks in the 1st round of the 2019 NFL draft.
On March 21, 2023, Collier signed a one-year contract with the Arizona Cardinals. He was placed on injured reserve on September 16, 2023.
On March 8, 2024, Collier signed a one-year contract extension with the Cardinals.