Robert Earl Petrich (born March 15, 1941) is an American former professional football defensive end in the American Football League (AFL).

Petrich played college football for West Texas State University, and then played four seasons for the San Diego Chargers (1963–1966) and the Buffalo Bills (1967).

[1] He also played one season for the Toronto Argonauts to end his career.

[2] This biographical article relating to an American football defensive lineman born in the 1940s is a stub.

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