Phillips signed with the Jacksonville Jaguars as an undrafted free agent on May 1, 2017.[1] He was waived by the Jaguars on September 2, 2017, and was signed to the practice squad the next day.[2][3] He was promoted to the active roster on December 2, 2017.[4]
On September 1, 2018, Phillips was waived by the Jaguars.[5]
Indianapolis Colts
On September 3, 2018, Phillips was signed to the Indianapolis Colts' practice squad.[6] He was promoted to the active roster on September 28, 2018.[7] He was placed on injured reserve on November 13, 2018, with a groin injury.[8]
On August 31, 2019, Phillips was waived by the Colts.[9]
Washington Redskins
On October 30, 2019, Phillips was signed to the Washington Redskins practice squad.[10] He was promoted to the active roster on November 19, 2019.[11] He was waived on November 30.[12]
Atlanta Falcons
On December 18, 2019, Phillips was signed to the Atlanta Falcons practice squad. His practice squad contract with the team expired on January 6, 2020.[13]
Philadelphia Stars
Phillips was selected with the sixth pick of the fourth round of the 2022 USFL draft by the Philadelphia Stars.[14] He was transferred to the team's inactive roster on May 5, 2022,[15] with lumbar neuropathy.[16] He was released on May 10.[17]