Washington (CNN) - The CNN 100, a list of the nation's 100 most vulnerable House races, has been updated to reflect the latest developments in the battle to control the chamber this November.
Democratic incumbents Ed Perlmutter of Colorado and Nick Rahall of West Virginia trade places, with Rahall returning to the CNN 100 after a brief hiatus and Perlmutter dropping off.
The CNN 100 is comprised of 85 Democratic seats, 15 of which are open seats and another 70 with incumbents running for re-election. There are 15 Republican seats in the CNN 100, 5 open seats and 10 incumbent races.
The updated list can be viewed here. The latest changes are detailed below:
RETURNING TO THE CNN 100:
WV-03 Rep. Nick Rahall (D)
DROPPED FROM THE CNN 100:
CO-07 Rep. Ed Perlmutter (D)