Argentina: Tier 1 - 2018-19

Argentina: Tier 1 - 2018-19 - Earliest Hamiltonian win cycle
Boca Juniors beat Defensa y Justicia 1-0 (A) on 25 Feb 2019
Defensa y Justicia beat Independiente 1-0 (A) on 25 Aug 2018
Independiente beat Unión de Santa Fe 2-1 (H) on 9 Feb 2019
Unión de Santa Fe beat River Plate 2-1 (A) on 24 Jan 2019
River Plate beat Lanús 5-1 (A) on 29 Sep 2018
Lanús beat Talleres de Córdoba 2-1 (H) on 8 Dec 2018
Talleres de Córdoba beat Belgrano de Córdoba 3-0 (H) on 7 Oct 2018
Belgrano de Córdoba beat Estudiantes 2-1 (H) on 24 Aug 2018
Estudiantes beat Patronato de Paraná 1-0 (H) on 9 Feb 2019
Patronato de Paraná beat Rosario Central 2-1 (H) on 28 Oct 2018
Rosario Central beat San Martín (T) 2-0 (H) on 26 Aug 2018
San Martín (T) beat Racing Club 2-1 (H) on 22 Oct 2018
Racing Club beat Argentinos Juniors 2-0 (A) on 30 Sep 2018
Argentinos Juniors beat Banfield 1-0 (A) on 2 Dec 2018
Banfield beat San Lorenzo 2-0 (H) on 7 Oct 2018
San Lorenzo beat San Martín (SJ) 2-1 (H) on 23 Oct 2018
San Martín (SJ) beat Vélez Sarsfield 3-1 (H) on 6 Oct 2018
Vélez Sarsfield beat Newell's Old Boys 2-0 (H) on 10 Aug 2018
Newell's Old Boys beat Tigre 2-0 (H) on 21 Oct 2018
Tigre beat Aldosivi 2-0 (A) on 2 Sep 2018
Aldosivi beat Huracán 2-1 (H) on 19 Aug 2018
Huracán beat CA Colón 3-2 (H) on 27 Oct 2018
CA Colón beat Godoy Cruz 3-1 (H) on 22 Sep 2018
Godoy Cruz beat Atlético Tucumán 1-0 (H) on 3 Nov 2018
Atlético Tucumán beat Gimnasia de La Plata 4-1 (H) on 26 Jan 2019
Gimnasia de La Plata beat Boca Juniors 2-1 (H) on 27 Oct 2018

HWC: Thick arrows show the earliest chain of wins that passes through every team and returns to its start.