Frederick Arnold McNeill (May 6, 1952 – November 3, 2015) was an American professional football player who was a linebacker for the Minnesota Vikings of the National Football League (NFL) for 12 seasons from 1974-1985. He played college football for the UCLA Bruins. In 1973, he was named to the All-Coast/Conference First-team. McNeil was selected by the Vikings in the first round of the 1974 NFL Draft with the 17th overall selection. He was the first person to have been diagnosed with CTE while alive and have it confirmed following his death.