|Full name||Douglas Caetano Mattoso dos Santos|
|Date of birth||6 January 1981|
|Place of birth||Río de Janeiro, Brazil|
|Height||1.86 m (6 ft 1 in)|
|2002||São José RS|
|2002–2003||Wuhan Optics Valley|
|* Senior club appearances and goals counted for the domestic league only and correct as of 8:53, 15 August 2011 (UTC).
On 20 July 2008, Caetano made his official debut with Tijuana in the Liga de Ascenso against Académicos de Guadalajara in the Estadio Jalisco, where he scored his first goal in the 69th minute in a 1-1 draw.
Return to Real España
On 14 January 2009, the 27-year-old forward signed a deal to return to his old club Real España after spending just one season with Tijuana. On 25 February 2009 Caetano scored a goal against Vida in the 25th minute in the Liga Nacional de Honduras.
On 5 January 2011, Caetano had reached an agreement signing a two-year contract with Olimpia.
On 16 January 2011, Caetano made his debut in the Liga Nacional de Honduras with Olimpia, replacing Anthony Lozano in the 71st minute, in a 1-0 defeat against Hispano in the Estadio Carlos Miranda, Comayagua. On 23 January 2011 he scored his first goal in a league match against Victoria, in a 3–1 victory. On 16 February 2011, he scored his first brace for the club in a 2-1 win over Necaxa.