Blanton signed with the Los Angeles Rams as an undrafted free agent in 2019 and started in their Super Bowl LVI win.

[5] He was waived on August 31, 2019, during final roster cuts, and was subsequently signed to the team's practice squad one day later.

[7] He made his NFL debut on December 12, 2019, playing four snaps on special teams in a 28-12 win over the Seattle Seahawks.

[11] He was waived during final roster cuts and again re-signed to the Rams practice squad to start the 2021 season.

[14] On January 23, 2022, Blanton scored his first NFL touchdown in the Rams' divisional playoff victory over the Tampa Bay Buccaneers.

[15] Blanton got to start in Super Bowl LVI for the injured Tyler Higbee, but suffered a shoulder injury in the first half before he could record any statistics.