Martin was a second-team All-American Athletic Conference selection in 2017 and led the Owls in sacks with eight.

[3] On August 31, 2019, the Seahawks traded Martin along with outside linebacker Barkevious Mingo and a 2020 third-round pick to the Houston Texans in exchange for Jadeveon Clowney.

[4] In week 9 against the Jacksonville Jaguars, Martin forced a fumble on Gardner Minshew that was recovered by teammate Zach Cunningham in the 26–3 win.

[5] In Week 12 against the Indianapolis Colts, Martin recorded his first sack as a Texan, bringing down Jacoby Brissett in the first quarter in the 20–17 win.

[6] In the American Football Conference wild card game against the Buffalo Bills, Martin sacked Josh Allen once and recovered a fumble forced by teammate Whitney Mercilus on Allen during the 22–19 overtime win.