Cartavious "Tank" Bigsby (born August 30, 2001) is an American professional football running back for the Jacksonville Jaguars of the National Football League (NFL).

Bigsby attended Callaway High School in Hogansville, Georgia.

[3][4] A four star prospect, he was ranked as the 7th overall recruit in the state of Georgia by 247 Sports.

[5][6] Bigsby took over as Auburn's starting running back his freshman year in 2020.

[11][12] In 2021, Bigsby improved upon his strong freshman season and would rush for 1,099 yards and ten touchdowns.