Essendon guernsey number 21 is a number defined by endurance, leadership, and lineage , with its fingerprints all over the club’s most successful eras. The number’s Premiership pedigree dates right back to 1911 , when Ern Hazel  wore 21 in Essendon’s first VFL flag. That success continued into the 1920s with Tommy Jenkins , who played 50 games  in the number and was a member of the 1923 and 1924 Premiership teams , helping entrench 21 as a big-game jumper. Following World War