UPDATE: It’s now being reported that Cuomo may be the new co-host of 20/20. Juju Chang would then replace Chris on GMA.

Within the next few weeks, viewers will see changes on ABC’s midseason schedule and in their news department.

It was just announced today that Diane Sawyer will officially be leaving Good Morning America at the end of the week. Diane’s exit will give her just over a week to transition to her new post at World News Tonight. She will begin on Dec. 21, just three days after Charles Gibson signs off from that chair.

Although it’s been widely rumored that George Stephanopoulos will become the new GMA anchor, it’s unknown whether ABC’s chief Washington correspondent and This Week host will accept the offer. Meanwhile, Chris Cuomo has denied that he will be leaving the network if he doesn’t receive the promotion.