Education
Cvercko attended Campbell Memorial High School before moving on to Northwestern University, where he was coached by Ara Parseghian.
Cvercko attended Campbell Memorial High School before moving on to Northwestern University, where he was coached by Ara Parseghian.
He played college football at Northwestern University. He became a two-way left tackle and a three-year starter. In 2000, he was inducted into the Northwestern Athletic Hall of Fame.
Green Bay Packers
Cvercko was selected by the Green Bay Packers in the fifth round (55th overall) of the 1959 NFL Draft, with the intention of playing him at offensive guard.
As a rookie, he suffered a knee injury in the season opener against the Chicago Bears and was lost for the year. In 1960, he was a reserve player.
On September 4, 1961, he was traded to the Dallas Cowboys in exchange for a draft choice. Dallas Cowboys
In 1961, he started 10 games at left guard, splitting time with John Houser (4 starts).
The next year he started all 14 games.
In the second game against the Pittsburgh Steelers, he was called for a holding penalty that negated a 99-yard touchdown reception (at the time a league record) from Frank Clarke and because it was in the end zone, it was called a safety, which created a nine point swing in the game and contributed to a 28-30 loss. On July 10, 1963, he was traded to the Cleveland Browns in exchange for a sixth round draft choice (#82-Jim Curry). Cleveland Browns
On September 17, 1963, he was waived to make room for guard Ted Connolly.
Washington Redskins
On September 25, 1963, he was signed as a free agent by the Washington Redskins and played in 8 games.