Detroit Lions Cronin was
selected by the
Detroit Lions in the seventh round (74th overall) of the
1956 NFL draft. He initially made the team as a pass rushing specialist. In
1957, he contributed to the team winning the NFL Championship.
Dallas Cowboys Cronin was selected by the
Dallas Cowboys in the
1960 NFL expansion draft. He became one of the first starters at
outside linebacker in franchise history (the other was
Wayne Hansen). On July 30,
1961, he was traded to the
Washington Redskins in exchange for a draft choice.
Washington Redskins Cronin played two seasons for the
Washington Redskins. On August 26,
1963, he was placed on the
injured reserve list with a back injury and was assigned scouting duties. He only missed one game in seven seasons in the league. ==Personal life and death==