George Stephanopoulos’ new duties at ABC News may be bigger than becoming the designated fill-in when new “World News” anchor Diane Sawyer is off, reports B&C.

The “This Week” anchor is also in talks to take over for Sawyer at “Good Morning America” when she leaves for the evening newscast at the end of the year, B&C says, citing “multiple sources.”

He’d join Robin Roberts as co-host, and one scenario has him continuing to anchor “This Week;” another has him co-anchoring just the first, news-heavy hour of the morning show.

ABC News Senior VP Jeffrey Schneider said the process of choosing a “GMA” replacement is still in its early stages.

Meanwhile, the Los Angeles Times reports that many ABC News insiders “expressed bewilderment” that management doesn’t have a succession plan set for the highly profitable “GMA.”

–Elizabeth Jensen