The Colorado Stampede signed quarterback Sawyer Robertson, wide receiver David Wallis, offensive lineman Jacoby Jackson, defensive end Diwun Black, and linebackers Cam Bright and Marvin Pierre on Monday following their UFL Showcase tryouts.
Sawyer Robertson is six foot four and weighs 216 pounds. The 23-year-old from Lubbock, Texas, attended a rookie minicamp with the Denver Broncos in 2026.
Collegiately, Robertson spent two seasons at Mississippi State University (2021-22). In 2022, he completed 6 of 11 passes (55%) for 23 yards, one interception, and two carries for no yards in five games for the Bulldogs.
Then, Robertson transferred to Baylor (2023-25), completing 599 of 989 passes (61%) for 7,616 yards, 61 touchdowns, 24 interceptions, 154 carries for 316 yards, and eight rushing touchdowns in 30 games for the Bears. In 2025, he was named Second Team All-Big XII after finishing the season completing 304 of 504 passes (60%) for 3,681 yards, 31 touchdowns, 12 interceptions, 56 carries for 17 yards, and three rushing touchdowns in 12 games.
David Wallis is six foot and weighs 184 pounds. The 25-year-old from Cedar Point, North Carolina, signed with the Winnipeg Blue Bombers on February 14, 2025. In 2025, Wallis made one catch for five yards, three kick returns for 57 yards, and one punt return for seven yards in two preseason games. The Blue Bombers released him on May 31, 2025.
The New England Patriots signed Wallis as an undrafted free agent on June 3, 2024. In 2024, Wallis made two catches for 16 yards, seven kick returns for 202 yards, and four punt returns for 47 yards in three preseason games. The Patriots released him on August 27, 2024.
Collegiately, Wallis played five seasons at Randolph–Macon College (2019-23) with 146 catches for 3,144 yards, 34 touchdowns, 18 carries for 127 yards, and 22 kick returns for 444 yards in 42 games for the Jackets. He was named a two-time First Team All-ODAC, Second Team All-Region, First Team All-Region, First Team All-State by VaSID, and a two-time Offensive End of the Year by Touchdown Club of Richmond.
Jacoby Jackson is six foot six and weighs 320 pounds. A native of Arlington, Texas, Jackson attended a rookie minicamp with the Green Bay Packers in 2026.
Collegiately, Jackson spent three seasons at Texas Tech University (2021-23), playing left guard and right guard in 28 games for the Red Raiders. In 2023, he played both guard positions in 303 snaps, allowing five hurries and five pressures in 13 games.
Then, he transferred to Mississippi State University (2024-25), playing left guard and right guard in 25 games, of which 22 were starts for the Bulldogs. In 2025, Jackson started 13 games, playing over 1,000 snaps. Mississippi State’s offense averaged 30.4 points per game, 399.2 yards per game, 241 passing yards per game, 158.2 rushing yards per game, 49 touchdowns, and allowed 45 sacks.
Diwun Black is six foot three and weighs 240 pounds. The 25-year-old from Jackson, Mississippi, signed with the Baltimore Ravens as an undrafted free agent on May 5, 2025. He attended training camp and was released on August 2, 2025. The Montreal Alouettes signed Black on December 22, 2025. He attended training camp before the Alouettes released him on May 18, 2026.
Collegiately, Black spent one season at Mississippi Gulf Coast Community College in 2019 with 46 tackles (26 solos, 20 assists), 8.5 tackles for loss, one interception for 34 yards, and five pass breakups in 11 games for the Bulldogs. He helped lead the Bulldogs to win the 2019 NJCAA National Championship.
Next, he transferred to the University of Florida (2021-22) with seven tackles (6 solos, 1 assist) and one tackle for loss in 14 games for the Gators. Then, he transferred to Temple University (2023-24) with 52 tackles (36 solos, 16 assists), 15.5 tackles for loss, 6.5 sacks, three pass breakups, four forced fumbles, and one fumble recovery in 19 games for the Owls.
In 2024, he made 23 tackles (19 solos, 4 assists), six tackles for loss, three sacks, three pass breakups, and two forced fumbles in eight games.
Cam Bright is six foot and weighs 228 pounds. The 27-year-old from Cleveland, Ohio, signed with the Seattle Seahawks as an undrafted free agent on May 12, 2023. The Seahawks released him on July 31, 2023. The Cleveland Browns signed Bright on August 4, 2023. In 2023, he made two tackles (2 solos) in three preseason games. The Browns released him on August 27, 2023.
The Calgary Stampeders signed Bright on February 14, 2024. He played in two preseason games with four tackles and two tackles on special teams. The Stampeders released him on June 1, 2024. The Ottawa Redblacks signed Bright on September 18, 2024, and spent a month on the practice squad. The Redblacks released him on October 17, 2024.
The Winnipeg Blue Bombers signed Bright on October 20, 2024, and spent a week on the practice squad. The Blue Bombers released him on October 30, 2024. The Ottawa Redblacks re-signed Bright on November 1, 2024. He attended training camp before they released him on May 14, 2025.
Collegiately, Bright played four seasons at Pittsburgh (2018-21) with 186 tackles (110 solos, 76 assists), 24.5 tackles for loss, nine sacks, one interception, one touchdown, four pass breakups, three forced fumbles, and three fumble recoveries in 52 games for the Panthers.
Then, he transferred to Washington in 2022 with 60 tackles (31 solos, 29 assists), 4.5 tackles for loss, 2.5 sacks, one interception, and one pass breakup in 13 games for the Huskies. He was named an All-PAC 12 Honorable Mention and Third Team All-PAC 12 by Phil Steele in 2022.
Marvin Pierre is six foot one and weighs 221 pounds. The 27-year-old from Rahway, New Jersey, signed with the Arizona Cardinals as an undrafted free agent on May 12, 2023. He was later released by the Cardinals on June 8, 2023, and signed with the Green Bay Packers on August 21, 2023. Pierre made one tackle (1 solo) in one preseason game for the Packers before they released him on August 29, 2023.
Pierre was then drafted by the Houston Roughnecks (XFL) in the 2023 XFL Draft. However, the Roughnecks were not included in the XFL and USFL merger forming the United Football League. However, the Gamblers took on the Roughnecks brand. Pierre was drafted by the San Antonio Brahmas in the 2024 UFL Dispersal Draft and was released on March 10, 2024.
The Hamilton Tiger-Cats signed Pierre on April 29, 2024. In 2024, Pierre made four tackles and one tackle on special teams in two preseason games. The Tiger-Cats released him on June 1, 2024. The Winnipeg Blue Bombers signed Pierre on December 27, 2024. He attended training camp before the Blue Bombers released him on May 11, 2025.
Collegiately, Pierre started at Fort Scott Community College in 2018 as a redshirt freshman. Next, Pierre played one season at Butler Community College in 2019 with 42 tackles (23 solos, 19 assists), 4.5 tackles for loss, one sack, one forced fumble, and one fumble recovery in 12 games for the Grizzlies.
Then, he transferred to Murray State in 2020 with 29 tackles (17 solos, 12 assists), four tackles for loss, one sack, one interception for 41 yards, one touchdown, one pass breakup, and one forced fumble in six games for the Racers.
Pierre concluded his collegiate career at Kent State (2021-22) with 149 tackles (86 solos, 63 assists), 11 tackles for loss, 2.5 sacks, one interception for 33 yards, one touchdown, three pass breakups, two forced fumbles, and one fumble recovery in 25 games for the Golden Flashes.
