The 6-foot-10, 311-pound Skipper took part in the Cowboys’ rookie mini-camp last week as a tryout candidate. The team signed him Wednesday.
At Arkansas, Skipper was a two-time All-SEC player, one of only six offensive linemen in program history to receive that honor. He was a four-year starter and played in 51 games with 47 starts (second-longest streak in program history).
He also made an impact on special teams, blocking seven field goals, just two off the Football Bowl Subdivision record.
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The Cowboys will participate in organized team activities next week.
Dallas Cowboys 2017 schedule
Aug. 3 vs. Arizona (NBC)* 7 p.m.
Aug. 12 2 at Los Angeles Rams 8 p.m.
Aug. 19 vs. Indianapolis 6 p.m.
Aug. 26 vs. Oakland 7 p.m.
Aug. 31 at Houston 7 p.m.
* Hall of Fame Game in Canton, Ohio
Sept. 10 vs. New York Giants (KXAS/5) 7:30 p.m.
Sept. 17 at Denver (KDFW/4) 3:25 p.m.
Sept. 25 at Arizona (ESPN) 7:30 p.m.
Oct. 1 vs. Los Angeles Rams (KDFW/4) Noon
Oct. 8 vs. Green Bay (KDFW/4) 3:25 p.m.
Oct. 15 Bye
Oct. 22 at San Francisco (KDFW/4) 3:05 p.m.
Oct. 29 at Washington (KDFW/4) 3:25 p.m.
Nov. 5 vs. Kansas City (KTVT 11) 3:25 p.m.
Nov. 12 at Atlanta (KDFW/4) 3:25 p.m.
Nov. 19 vs. Philadelphia (KXAS/5) 7:30 p.m.
Nov. 23 vs. L.A. Chargers (KTVT/11) 3:30 p.m.
Nov. 30 vs. Washington (KXAS/5) 7:25 p.m.
Dec. 10 at New York Giants (KDFW/4) 3:25 p.m.
Dec. 17 at Raiders (KXAS/5) 7:30 p.m.
Dec. 24 vs. Seattle (KDFW/4) 3:25 p.m.
Dec. 31 at Philadelphia (KDFW/4) Noon