The Packers signed RB William Stanback on May 8, 2017.

Stanback, 22, played in 25 games at the University of Central Florida (2013-15), recording 1,157 rushing yards and 16 TDs on 306 carries (3.8 avg.) while hauling in 27 receptions for 244 yards (9.0 avg.) and three TDs. In 2016, he started six of 10 games played for Virginia Union, earning All-CIAA first-team honors after rushing for 1,299 yards and 15 TDs on 207 carries (6.3 avg.) while also recording 165 yards on 12 receptions (13.8 avg.) with three TDs.