Born in Las Palmas, Canary Islands, Collado played for three clubs as a youth, including Villarreal CF.
His first season as a senior was 2009–10, when he was loaned by the Valencians to Gimnástica de Torrelavega in the Segunda División B, eventually finishing as joint-eighth top scorer in group II with 14 goals.
[1] On 18 June 2010, Collado signed a four-year contract for S.C. Braga in Portugal as a free agent.
[2] He returned to his country shortly after, however, spending the vast majority of the following two seasons on loan to Atlético Madrid B also in the third tier.
[4] He made his professional debut on the 28th, coming on as a second-half substitute in the home fixture against CD Numancia and scoring the game's only goal.