Cowboys Draft Dorance Armstrong - DE Kansas

Kansas defensive end Dorance Armstrong Jr. sits on the bench during the second half of an NCAA college football game against Iowa State, Saturday, Oct. 14, 2017, in Ames, Iowa. Iowa State won 45-0. (AP Photo/Charlie Neibergall)

Kansas defensive end Dorance Armstrong Jr. (2) gets set for a play during the second half of an NCAA college football game against Iowa State, Saturday, Oct. 14, 2017, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Texas running back D'Onta Foreman (33) is tackled by Kansas defensive end Dorance Armstrong Jr. (2) and safety Fish Smithson (9) during overtime of an NCAA college football game in Lawrence, Kan., Saturday, Nov. 19, 2016. (AP Photo/Orlin Wagner)

Kansas defensive end Dorance Armstrong Jr. (2) fights through a block during the second half of an NCAA college football game against Iowa State, Saturday, Oct. 14, 2017, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Kansas defensive end Dorance Armstrong Jr. (2) before an NCAA college football game against Texas Tech in Lawrence, Kan., Saturday, Oct. 7, 2017. (AP Photo/Orlin Wagner)

Kansas defensive end Dorance Armstrong Jr. (2) during the second half of an NCAA college football game against West Virginia Saturday, Sept. 23, 2017, in Lawrence, Kan. West Virginia won 56-34. (AP Photo/Charlie Riedel)

Kansas defensive end Dorance Armstrong Jr. stands on the sidelines during the first half of an NCAA college football game against Iowa State, Saturday, Oct. 14, 2017, in Ames, Iowa. (AP Photo/Charlie Neibergall)

Kansas defensive end Dorance Armstrong Jr. (2) during the second half of an NCAA college football game against West Virginia Saturday, Sept. 23, 2017, in Lawrence, Kan. West Virginia won 56-34. (AP Photo/Charlie Riedel)

Texas place kicker Trent Domingue (17) kicks a point after over Kansas defensive tackles Daniel Wise (96), DeeIsaac Davis (99) and defensive end Dorance Armstrong Jr. (2) during the second half of an NCAA college football game in Lawrence, Kan., Saturday, Nov. 19, 2016. (AP Photo/Orlin Wagner)

Kansas defensive end Dorance Armstrong Jr. (2) warms up before playing TCU in an NCAA college football game Saturday, Oct. 21, 2017, in Fort Worth, Texas. (AP Photo/Ron Jenkins)

Kansas defensive end Dorance Armstrong Jr. (2) before an NCAA college football game against Texas Tech in Lawrence, Kan., Saturday, Oct. 7, 2017. (AP Photo/Orlin Wagner)

Defensive lineman Dorance Armstrong talks to the media at the NFL Combine on Saturday, March 3, 2018 in Indianapolis, Ind. (Detroit Lions via AP)

Kansas defensive lineman Dorance Armstrong Jr. runs the 40-yard dash during the 2018 NFL Scouting Combine on Sunday, March 4, 2018 in Indianapolis. (Ben Liebenberg via AP)

Kansas defensive lineman Dorance Armstrong Jr. runs the 40-yard dash during the NFL football scouting combine on Sunday, March 4, 2018 in Indianapolis. (Aaron M. Sprecher via AP)

Kansas defensive lineman Dorance Armstrong runs a drill at the NFL football scouting combine in Indianapolis, Sunday, March 4, 2018. (AP Photo/Michael Conroy)

Kansas defensive lineman Dorance Armstrong runs a drill during the NFL football scouting combine, Sunday, March 4, 2018, in Indianapolis. (AP Photo/Darron Cummings)

Kansas defensive lineman Dorance Armstrong runs a drill during the NFL football scouting combine, Sunday, March 4, 2018, in Indianapolis. (AP Photo/Darron Cummings)

Kansas defensive lineman Dorance Armstrong runs a drill at the NFL football scouting combine in Indianapolis, Sunday, March 4, 2018. (AP Photo/Michael Conroy)

Kansas defensive lineman Dorance Armstrong runs a drill at the NFL football scouting combine in Indianapolis, Sunday, March 4, 2018. (AP Photo/Michael Conroy)

Kansas defensive lineman Dorance Armstrong runs a drill at the NFL football scouting combine in Indianapolis, Sunday, March 4, 2018. (AP Photo/Michael Conroy)