Dooley ran the option out of a Wing-I formation that netted Don McCauley an NCAA rushing record of 1720 yards in 1970.
In 1970, McCauley broke O.J. Simpson’s NCAA single-season record for rushing yards. His 1,720 rushing yards that season remains the most for a season at Carolina. His 2,021 all-purpose yards that season is also tops in program history. McCauley led the nation in rushing and all-purpose yards in 1970
https://www.tarheelblog.com/unc-tar...-heels-football-history-don-mccauley-ncaa-acc
"Don McCauley’s senior season signaled the resurgence of the
North Carolina Tar Heels and the beginning of “Tailback U.” His nation and conference leading statistics placed a spotlight on Chapel Hill and began UNC’s tradition of producing top running backs. McCauley was Carolina’s first 1,000-yard rusher, and starting with that first milestone in 1969, the Tar Heels produced 23 1,000-yard rushers in the next 24 seasons."