After unsuccessfully emerging through RC Celta de Vigo's youth academy he went on to represent local Sporting Guardés and Pontevedra CF, moving to CD Tenerife for the 2000–01 season and helping the Canary Islands club return to La Liga immediately.
[4] In 2005–06 he signed for second division side Elche CF, being diagnosed with testicular cancer shortly after;[5] he missed a great part of the campaign, but was still able to finish it.
After joining Hércules CF – also in the Valencian Community and in the second level – in 2006, Aragoneses was again diagnosed with the ailment, this time being forced to undergo chemotherapy.
[7] In early 2008, Aragoneses was suspended by coach Andoni Goikoetxea after statements by the player which were seen as "an act of indiscipline", being eventually released.
After winning the battle for first-choice with Luis García, however, he was sidelined until the end of the season with a case of acute pancreatitis;[11] once again he fully recovered, being the undisputed starter in 2009–10's top flight (all matches and minutes in an eventual relegation, only certified however in the last round).