He played college football at Western Michigan and was selected by the Cincinnati Bengals in the fifth round of the 2018 NFL draft.

[1] Phillips played college football at Western Michigan before being selected by the Cincinnati Bengals in the fifth round (170th overall) of the 2018 NFL draft.

[4][5] In Week 3 of the 2019 season, Phillips recorded his first career interception off Josh Allen in the 21–17 loss.

[9] Phillips intercepted a pass thrown by Ryan Fitzpatrick in a Week 16 overtime loss against the Miami Dolphins.

[15] Phillips signed a one-year contract with the Las Vegas Raiders on March 17, 2022.

[24] On January 19, 2024, Phillips signed with the San Antonio Brahmas of the United Football League (UFL).