Naval Academy and later at Penn State University and was selected in the seventh round of the 1994 NFL draft.
Holmberg was selected by Los Angeles Raiders in the seventh round (217th overall) of the 1994 NFL draft.
He replaced to the injured of Ted Johnson and Andy Katzenmoyer at middle linebacker, starting five games.
Holmberg is the father in-law of standout Penn State collegiate wrestler and mixed martial arts professional fighter, Bo Nickal.
This biographical article relating to an American football linebacker born in the 1970s is a stub.