A321
Flight Crew Air Transport Pilot (ATP)
Conflict Ground Conflict; Critical
Flight Crew Took Evasive Action
Airport; Human Factors
After landing on 27L; taxiing in eastbound on B approaching A6; an RJ on J almost hit us as it approached A6 from our 5 o'clock position. It didn't even slow as we converged.  I could not see it from that direction and was unaware of its proximity until the F/O said 'Stop! This guy is close!'.  It passed by about 10 feet by our starboard bow. Queried Ground Control and was told the RJ was supposed to follow us.
A321 Captain reports a near collision with a Regional Jet at the A6 and J Taxiway intersection. Last second detection by the A321 First Officer may have prevented a collision. Ground Control had instructed the Regional Jet to follow the A321.