uy ang ▁Normal ▁University ▁al umn i ▁Category : Be ij ing ▁Normal ▁University ▁al umn i ▁Category : Phys ic ists ▁from ▁An hui ▁Category : M embers ▁of ▁the ▁Chinese ▁Academy ▁of ▁Sciences <0x0A> </s> ▁H é ctor ▁David ▁Martínez ▁( born ▁ 2 1 ▁January ▁ 1 9 9 8 ) ▁is ▁an ▁Argent ine ▁professional ▁footballer ▁who ▁plays ▁as ▁a ▁centre ▁back ▁for ▁Def ensa ▁y ▁Just icia ▁on ▁loan ▁from ▁River ▁Pl ate . ▁ ▁Career ▁ ▁Club ▁Martínez ' s ▁career ▁started ▁with ▁River ▁Pl ate , ▁initially ▁featuring ▁for ▁their ▁youth ▁system ; ▁not ably ▁at ▁the ▁ 2 0 1 6 ▁U - 2 0 ▁Copa ▁Libert adores , ▁though ▁only ▁as ▁an ▁un used ▁substitute ▁on ▁three ▁occasions . ▁He ▁first ▁appeared ▁in ▁River ▁Pl ate ' s ▁first - team ▁under ▁Marcel o ▁Gall ardo ▁in ▁October ▁ 2 0 1 7 , ▁with ▁the ▁def ender ▁being ▁chosen ▁on ▁the ▁ben ch ▁for ▁an ▁Argent ine ▁Primera ▁División ▁defeat ▁away ▁to ▁T all eres . ▁His ▁professional ▁debut ▁arrived ▁on ▁ 2 ▁December ▁ 2 0 1 8 ▁during ▁a ▁fi xture ▁with ▁G im nas ia ▁y ▁Es gr ima . ▁ ▁International ▁Martínez ▁represented ▁the ▁Argentina ▁U 1 7 s ▁at ▁both ▁the ▁ 2 0 1 5 ▁South ▁American ▁U - 1 7 ▁Championship ▁and ▁ 2 0 1 5 ▁FIFA ▁U - 1 7 ▁World ▁Cup ; ▁winning ▁six ▁caps . ▁ ▁Career ▁statistics ▁. ▁ ▁References ▁