The third round of the FA Cup has become synonymous over the years with giant-killings such as Woking's victory over West Brom in 1991 and more recently Newport's victory over current holders Leicester in 2019.
This season there will be EFL clubs looking to cause an upset against Premier League opposition while there are four non-league sides, including Cheltenham who face Champions League holders Chelsea, who will be dreaming of adding their names to famous giant-killings.
Ahead of this weekend's third round, the FA has released new mathematical research that has revealed the ten biggest shock victories.