[1][3] As a junior in football, he made several key plays in their regular season finale to help them reach the state playoffs, being named The Augusta Chronicle player of the week.
[1] As a junior in 2019, Baker played in all 12 games and started three, recording two pass breakups as well as 23 tackles, while seeing action on a total of 280 snaps.
[1] After receiving an extra year of eligibility due to the COVID-19 pandemic, Baker opted to return to Georgia Southern for a sixth season in 2021.
[6] He started eight games and appeared in a total of 10, and tallied while playing 499 snaps 32 tackles, eight pass breakups[7] and a forced fumble.
[13] He was elevated to the active roster for their Week 15 game against the Minnesota Vikings,[14] and made his NFL debut in the 39–36 loss, appearing on 14 special teams snaps.
[15] Baker made the Colts final roster in 2023, playing in 14 games with six starts and finished second on the team in pass breakups.