LaMarcus DeWayne McDonald (born February 25, 1981 in Waco, Texas) is a former All American linebacker at Texas Christian University in Fort Worth, Texas. At Waco High School, McDonald was named to the first-team 5A All-State team by the Associated Press, and was teammates with current Kansas City Chiefs' linebacker Derrick Johnson. At TCU, McDonald was a fan-favorite for his aggressive play on defense despite being undersized. In 2001, he finished with 7 sacks and set a school record with 25 tackles for loss. He was named second-team All-Conference USA.