Usero then played two years at Málaga neighbours Polideportivo Ejido, playing regularly and being relegated in his second year, after which he signed for another side in the second level, Elche CF.[2] In the summer of 2011, after 247 matches in Spain's division two, he moved abroad for the first time and joined a host of compatriots at Asteras Tripoli F.C. in Greece.
On 19 June 2015, after a four-month loan spell with AD Alcorcón back in his homeland, Usero returned to the Superleague Greece and signed a two-year contract with Atromitos FC.[3]
In August 2018, Usero joined Calvo Sotelo Puertollano. On 22 October 2019 the club confirmed, that Usero had left the club for personal reasons.[4]