[1] Growing up in Missouri City, Texas, Blacklock became a football star at Elkins High School.
[3] After redshirting during his first season on campus in Fort Worth, Blacklock became a full-time starter as a redshirt freshman in 2017, helping lead the Frogs to the program's first-ever berth in the Big 12 Championship Game and a win in the 2017 Alamo Bowl over Stanford.
[6] In August 2018, Blacklock suffered an injury caused him to miss his entire sophomore season.
[12] The Texans originally obtained this pick in the trade that sent DeAndre Hopkins to the Arizona Cardinals for David Johnson.
[13] In Week 2 against the Baltimore Ravens, Blacklock was ejected from the game late in the fourth quarter after throwing a punch.