San Francisco 49ers Wiggin was named an assistant coach with the
San Francisco 49ers on February 14, 1968, spending the next seven seasons with the team. He was defensive line coach from 1968 to 1973, and both defensive coordinator and defensive line coach in 1974, under head coach
Dick Nolan each of those years. He coached Pro Bowl defensive end
Cedrick Hardman, who had 18 quarterback sacks in his first full (14-game) season (1971).
Kansas City Chiefs Wiggin was hired as head coach of the
Kansas City Chiefs on January 23, 1975, replacing future Hall of Fame coach
Hank Stram. After compiling an 11–24 mark in less than three seasons, Wiggin was fired following a 44–7 loss against his old team, the Browns, on October 30, 1977, that left the team 1–6.
New Orleans Saints After
Dick Nolan was named as head coach of the
New Orleans Saints in 1978, he once again hired Wiggin, as the team's defensive coordinator where he spent two years. on the team during his first three years, Wiggin's efforts to reach a bowl game had come agonizingly close in 1982, when his team fell victim to what simply became known as "
The Play" on November 20. In an incredible finish against
California, the school's arch-rival
lateraled five times in the closing seconds to score the winning touchdown.
Minnesota Vikings Wiggin's longest football connection was his four decades with the Minnesota Vikings. In 1985, he became the Vikings defensive line coach under Bud Grant, a position he held through 1991; though under head coach
Jerry Burns from 1986 to 1991. and
John Randle, and Pro Bowl player
Henry Thomas. He received the 2022 Bud Grant Distinguished Minnesotan Award by the Minnesota Chapter of the
National Football Foundation. == Personal life and death ==