In the club's first season, Whittaker led Swansea to their first Welsh Cup win.
Haydn Green is Swansea's longest serving manager, having held the position for 8 years, 123 days spanning World War II.
Statistically, Roberto Martínez is Swansea's most successful manager with a 50% winning percentage in all competitive games.
Swansea finished the 1981–81 season in sixth place – their highest ever league position.
There have been three managers hired on a 'permanent' basis (Kevin Cullis, Jimmy Rimmer and Micky Adams) who had winless records during their brief stints at Swansea that spanned less than four weeks between all three of them, in two separate periods of 1996 and 1997.