Late Roman Army during the 5th century

[Flavivs Aetivs]

I too have theorized that letting the Visigoths take the brunt of the Battle at chalons was a play by Aetius - let the Battle-Hardened and Veteran Roman army sit up on the Hill, while the Huns destroy the Barbarians of Gaul on the Plain Below, when the line breaks come down on the huns and then their army is no longer a threat to Rome either. Sounds political to me.