Both players were added to the list last week after being high-risk contacts with RB AJ Dillon, who tested positive.
Williams, 25, is a former fourth-round pick of the Packers back in 2017. He’s currently in the final year of his four-year, $2.96 million contract and stands to make a base salary of $735,000 for the 2020 season.
Williams will be an unrestricted free agent in 2021.
In 2020, Williams has appeared in seven games for the Packers and rushed for 294 yards on 68 carries (4.3 YPC) to go along with 23 receptions for 183 yards receiving and one touchdown.
Martin, 21, was a three-year starter at Minnesota and was an Honorable Mention All-Big Ten before being selected by the Packers in the fifth round.
Martin signed a four-year deal worth $3,566,063 that includes a signing bonus of $271,063.