|Date of birth:||January 14, 1940|
|Place of birth:||Colver, Pennsylvania, U.S.|
|Date of death:||January 29, 1993(aged 53)|
|Place of death:||Scott County, Kentucky|
|Height:||6 ft 4 in (1.93 m)|
|Weight:||260 lb (118 kg)|
|High school:||Central Cambria (PA)|
|NFL draft:||1961 / Round: 2 / Pick: 26|
|Career highlights and awards|
|Career NFL statistics|
Ronald Michael Kostelnik (January 14, 1940 - January 29, 1993) was an American football player, a defensive tackle in the National Football League for eight seasons with the Green Bay Packers and one with the Baltimore Colts.
Kostelnik was selected in the second round of the 1961 NFL draft, 26th overall, by the Packers. For his first several seasons, he backed up veteran Dave Hanner, then became a starter in 1964. Alongside Willie Davis, Henry Jordan, and Lionel Aldridge, Kostelnik was the unheralded member of the Green Bay defensive line. Teammate Jerry Kramer said of him: "There aren't statistics for steady dependable guys who plug up the middle and allow other guys to excel. But that's what Ron did."
With a bachelor's and master's degree in education from Cincinnati, Kostelnik planned to be a school administrator. He began working for Mainline Industrial Distributors Inc. of Appleton in sales in the off-season in 1965, became president in 1970, and later was its chief executive officer.
While returning to Wisconsin from a Florida vacation with his wife Peggy in 1993, Kostelnik suffered a fatal heart attack and lost control of his car on Interstate 75 in Scott County, Kentucky. He was age 53 and was survived by his wife, three daughters, and a son.
- Hendricks, Martin (November 20, 2012). "Kostelnik got the job done without a fuss". Milwaukee Journal Sentinel. Retrieved February 21, 2016.
- Irwin, Mrs. James B. (August 11, 1968). "Sports: minorities' friend". Milwaukee Journal. p. 2, part 4.
- "Ron Kostelnik finds home as defensive Pacer tackle". Reading Eagle. Pennsylvania. Associated Press. October 7, 1965. p. 26.
- Lea, Bud (August 20, 1969). "Colts get Kostelnik". Milwaukee Sentinel. p. 1, part 2.
- Lea, Bud (November 6, 1969). "Ron restless as a reserve". Milwaukee Sentinel. p. 1, part 2.
- Stafford, Roger A. (March 19, 1973). "Kostelnik quarterback now". Milwaukee Sentinel. p. 9, part 2.
- Kenney, Ray (September 20, 1984). "From lineman to Mainline". Milwaukee Journal. p. 12, part 3.
- Savage, Mark (June 29, 1991). "New position". Milwaukee Sentinel. p. 1D.
- "Ron Kostelnik, tackle For Packers, dies at 53". New York Times. Associated Press. February 1, 1993. Retrieved February 21, 2016.
- "Ex-Packer Kostelnik dies at 53". Milwaukee Sentinel. Associated Press. January 30, 1993. p. 1B.
- "Ex-Packer Kostelnik, 53, killed in car crash". Milwaukee Journal. Associated Press. January 30, 1993. p. A9.
- Career statistics and player information from NFL.com • Pro-Football-Reference • Databasefootball.com
- Ron Kostelnik football cards
- Ron Kostelnik at Find a Grave
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