Geoff Southby

Recruited from Sandhurst in the Bendigo Football League, Geoff Southby arrived at Princes Park in 1971 and made an immediate impact that few defenders have ever matched. He won the club best and fairest in his debut season—a rare feat for any player, let alone a key defender—and repeated the achievement in 1972, playing a pivotal role in the Blues' premiership victory that year. Southby is widely credited with modernising the full-back position; moving away from the traditional punch-from-behind mindset, he used his superior reading of the play and balance to intercept marks and launch counter-attacks, often outplaying the era's best full-forwards one-on-one.

A dual premiership player, Southby remained the anchor of the Carlton defence for over a decade, adding the 1979 flag to his accolades. Although chronic back and leg injuries eventually curbed his athleticism and forced him to miss the club's 1981 and 1982 triumphs, he adapted his game to become a formidable, intelligent stopper late in his career. He retired in 1984 as a one-club great and was later named at full-back in the Carlton Team of the Century, solidifying his reputation as one of the finest defensive pillars in the history of the VFL.