Career
Born in Jaén, Andalusia, Martos played youth football with local Real Jaén, and made his senior debuts in with the B-team in the regional leagues. His first competitive appearance with the main squad occurred in the dying stages of the 2011-2012 season, in Segunda División B. On 13 July 2012 he renewed his contract for one year, rejecting an offer from Granada CF. He also started in a 0–1 away loss against Atlético Madrid for the Copa del Rey, on 28 November 2012. On 2 August 2013 Martos signed a new two-year deal with Jaén, rejecting offers from Getafe CF and Recreativo de Huelva.
He first appeared in the second level 30 days later, coming on as a late substitute in a 3–0 success against Real Zaragoza also at the Nuevo Estadio de Louisiana Victoria.
On 2 January 2014 Martos was loaned to UD Almería B, until June. He returned to Jaén in June but, after severing ties on 30 January 2015, returned to his previous club hours later.
In August 2015, Martos signed for Cypriot club Olympiakos Nicosia.