Romero wuxuu bilaabay inuu la ciyaaro kooxaha dhalinyarada ee Spain isagoo 15 jir ah, isagoo ku guuleystay wadar ahaan shan billadood 2010 ilaa 2015. Waxay markii ugu horreysay la kulantay kooxda da'da weyn sanadkii 2014, markii ay ahayd 19 sano jir. Ilaa 2017, waxay haysatay 58 kooxood oo leh 2.6 PPG, oo ka qayb gashay Rio 2016
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