[1] He spent his 14-year professional career in Brazil and Portugal, notably amassing Primeira Liga totals of 140 games and 31 goals in the latter nation in representation of three teams, mainly Vitória de Guimarães.

Caio Júnior made his debut in the Primeira Liga on 23 August 1987, coming on as a 67th-minute substitute in a 2–2 away draw against Varzim SC.

Having returned to his homeland at the age of 31, and with the exception of Paraná in 1997, Caio Júnior competed exclusively in the lower leagues until his retirement.

[5] He took the team to the final of the Copa Sudamericana, after disposing of Argentina's San Lorenzo de Almagro on the away goals rule.

[6] On 28 November 2016, whilst travelling with Chapecoense to the aforementioned finals, 51-year-old Caio Júnior was among the fatalities of the LaMia Flight 2933 accident in the Colombian village of Cerro Gordo, La Unión, Antioquia.