Butler: Signed by Raiders as an undrafted free agent in 2018 and spent training camp with the club…Spent the majority of his rookie season on the team's practice squad…Played his senior season at Iowa after spending the first three years of his collegiate career at Nevada…Totaled 3,313 rushing yards at Nevada, ranking eighth in school history.

Collins: Originally signed as an undrafted free agent by the Miami Dolphins following the 2018 NFL Draft…Had multiple stints on the Raiders' practice squad where he finished his rookie campaign…Played four seasons at North Carolina, appearing in 49 games and tallying 217 tackles, two sacks, one pass defensed seven forced fumbles and five fumble recoveries.

Davis: Originally signed by the Philadelphia Eagles as an undrafted free agent in 2017, where he spent the season on the team's practice squad…Signed to the Oakland Raiders' practice squad ahead of Week 11 of 2018, where he would return ahead of the team's season finale…Davis earned FCS All-American honors in 2016 with the Dukes after posting a conference record four touchdowns on punt returns.

Hunt: Signed by the Denver Broncos as an undrafted free agent in May 2017 where he spent preseason with the club…Signed by the San Francisco 49ers to the practice squad for the remainder of his rookie season…Joined the Raiders in 2018 and was active for the team's final three contests of the year…Played four seasons at Oregon, appearing in 52 games with 43 starts for the Ducks.