 Nyorera kuenderera kweiyi ndima - Martínez akatanga mwaka wa2017-18 nekutamba muGerman Super Cup. Musi wa31 Gumiguru 2017, Martínez akarova chibodzwa chekukunda mukukunda 21 kure neCeltic panguva yeChampions League group stage, iyo yakasimbisa kuenda kwechikwata chake kuchikamu chekurova. Mukuita uku, akawana maronda kumeso kwake mukukonana kwemisoro naNir Bitton; ndicho chaive chinangwa chake chekutanga mumakwikwi eEuropean, mumitambo makumi mashanu neshanu. Martínez akapedza mwaka aine zvibodzwa zviviri mumitambo makumi matatu nenomwe. 