Robert Alexander Winkel (born October 23, 1955) is an American former professional football player who was a defensive tackle for the New York Jets of the National Football League (NFL). He played college football at Kentucky.^[1][2]

• Chellgren, Mark R. (August 23, 1978). "Bob Winkel: Close friends, big stars have graduated, but Kentucky lineman ready for year". Kentucky State Journal. p. 13 – via Newspapers.com.
• McGill, John A. (September 21, 1978). "Winkel: 'I've got a secret'". Lexington Herald-Leader. p. 57 – via Newspapers.com.
• Sutton, Stan (October 27, 1978). "Winkel rebounds as anchor of UK's defensive line". The Courier-Journal. p. 15, 16 – via Newspapers.com.