Pre-draft Mays was projected as a seventh round pick by
Lance Zierlein of NFL.com. He was praised for his physical stature and his hard running stance, being willing to power through contact. He was also praised for his attitude and work ethic. Zierlein also expressed concern about his reoccurring injury history and his hesitation for hitting certain running lanes. He was signed to a four-year contract on May 5, 2017. On November 19, against the
Baltimore Ravens, Mays had his first three career carries, which totaled −1 yard. In the season finale against the
Detroit Lions, he had one carry for two yards. Overall, in his rookie season, he appeared in eight games and had four carries for one rushing yard to go along with three
receptions for no receiving yards. On September 1, 2018, Mays was placed on
injured reserve, and was later released with an injury settlement.
Cleveland Browns Mays was signed to the
practice squad of the
Cleveland Browns on October 23, 2018. The Browns signed Mays to a futures contract on January 2, 2019. Mays was released by the Browns on May 13, 2019.
Jacksonville Jaguars On July 31, 2019, Mays was signed by the
Jacksonville Jaguars. He was placed on injured reserve on August 31, 2019. ==NFL career statistics==