Robert Earl Petrich (born March 15, 1941) is an American former professional football player who was a defensive end in the American Football League (AFL).
Petrich played college football for West Texas State Buffaloes (now West Texas A&M), and then played four seasons for the San Diego Chargers (1963–1966) and the Buffalo Bills (1967). He also played one season for the Toronto Argonauts to end his career.Sportswalk to the Waterfront - Inductees, Retrieved 7 March 2016
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