He played college football at Georgia and was selected by the New York Giants in the first round of the 2019 NFL draft.

Baker played one season with the Giants before being released by them due to charges of armed robbery, which were later dropped.

During his time at Miami Northwestern Senior High School, Baker was an All-American sprinter and participated in the 4 × 100 metres relay on the second leg.

[4] Baker considered declaring for the 2018 NFL draft, but he ultimately elected to return to school for his senior year.

He allowed only 175 yards and a 40.2 NFL passer rating to opposing receivers in 2018, which both ranked in the top 5 of all draft eligible cornerbacks with a minimum of 300 coverage snaps.

[23] On May 14, 2020, a warrant was issued for Baker's arrest under charges of armed robbery and aggravated assault with a firearm, along with Quinton Dunbar of the Seattle Seahawks.

[24] The following day, Baker's lawyer issued a statement claiming that he was in possession of multiple affidavits allegedly exonerating his client.