 Included in his penalty total was an NHL record 67 in a March 11, 1979 game against the Philadelphia Flyers.After another season in Los Angeles, Holt was traded to the Calgary Flames for the 1980–81 season.He played some of the best hockey of his career in the 1981 playoffs, recording 2 goals and 4 points in 13 games to help the Flames reach the Stanley Cup semi-finals.