▁himself ▁as ▁the ▁captain ▁of ▁the ▁under - 2 1 ▁side ▁during ▁the ▁ 2 0 1 5 – 1 6 ▁campaign . ▁He ▁went ▁on ▁to ▁lead ▁Ar sen al ▁to ▁victory ▁in ▁the ▁ 2 0 1 6 ▁U 2 1 ▁Premier ▁League ▁ 2 ▁play - off ▁final ▁which ▁was ▁won ▁by ▁ 3 ▁goals ▁to ▁ 1 ▁over ▁A ston ▁Villa . ▁ ▁P leg uez uel o ▁made ▁his ▁senior ▁Ar sen al ▁debut ▁against ▁Black pool ▁in ▁E FL ▁Cup ▁on ▁ 3 1 ▁October ▁ 2 0 1 8 . ▁ ▁Mall or ca ▁( lo an ) ▁On ▁ 5 ▁August ▁ 2 0 1 6 , ▁P leg uez uel o ▁was ▁loan ed ▁to ▁Segunda ▁División ▁side ▁R CD ▁Mall or ca , ▁for ▁one ▁year . ▁He ▁made ▁his ▁professional ▁debut ▁on ▁ 7 ▁September , ▁starting ▁in ▁a ▁ 1 – 0 ▁Copa ▁del ▁Rey ▁home ▁win ▁against ▁CF ▁Re us ▁Deport iu . ▁ ▁On ▁ 9 ▁October ▁ 2 0 1 6 , ▁P leg uez uel o ▁made ▁his ▁debut ▁in ▁the ▁second ▁tier , ▁playing ▁the ▁last ▁nine ▁minutes ▁in ▁a ▁ 3 – 0 ▁home ▁win ▁against ▁SD ▁H ues ca . ▁After ▁ 1 5 ▁matches ▁and ▁a ▁subsequent ▁re leg ation , ▁he ▁returned ▁to ▁his ▁parent ▁club . ▁ ▁G im n à st ic ▁( lo an ) ▁On ▁ 3 1 ▁January ▁ 2 0 1 8 , ▁P leg uez