Young & Restless Star Michael Muhney Fired For Allegedly Groping Co-Star’s Breasts

EXCLUSIVE

Michael Muhney, a big soap star who played Adam Newman on “The Young & the Restless” — was fired last month after one of his co-stars complained to the brass that he grabbed her boobs — on 2 occasions … TMZ has learned.

Multiple sources connected to the show tell TMZ … 38-year-ancient Muhney allegedly bullied and harassed 20-year-ancient Hunter King, who plays Summer on the show.  She…