Ashley Cole and Anton Ferdinand had to be separated after almost coming to blows outside a Los Angeles nightclub at 2am in the morning.
According to The Sun newspaper, Carroll "put a protective arm" across Cole to help onlookers keep the two men apart in a car park
Cole's Chelsea team-mate John Terry was accused of using racist language towards Ferdinand during a Premier League match in 2011.
He was later cleared in court of racist abuse with Cole backing his account.
Ferdinand later rejected a pre-match handshake when Chelsea met QPR.
A source said: “There was no row, no confrontation. TheyRead More »from Cole and Ferdinand separated by Carroll in car park bust-up