 His 2,524 rushing yards set a new career rushing record at Michigan, eclipsing the record set by Tom Harmon from 1938 to 1940.He also set Big Ten single-season records with 92 points scored and 1,017 rushing yards in seven conference games during the 1968 season.During the 1968 season, Johnson also set Michigan single-season records with 19 rushing touchdowns (breaking a record set by Tom Harmon in 1940), 139.1 rushing yards per game, and 1,557 combined rushing/receiving yards.