, ▁ 1 9 0 1 ▁– ▁September ▁ 3 0 , ▁ 1 9 8 5 ) ▁was ▁the ▁world ▁light ▁heavy weight ▁box ing ▁champion ▁from ▁May ▁ 3 0 , ▁ 1 9 2 5 , ▁when ▁he ▁wr ested ▁the ▁crown ▁from ▁Mike ▁Mc T igue , ▁until ▁July ▁ 1 6 , ▁ 1 9 2 6 , ▁when ▁he ▁was ▁defeated ▁by ▁his ▁nem esis ▁Jack ▁Del an ey . ▁The ▁Ring ▁Magazine ▁founder ▁Nat ▁Fle ischer ▁r ated ▁him ▁as ▁the ▁# 1 0 ▁best ▁light ▁heavy weight ▁of ▁all - time . ▁Ber len bach ▁was ▁induct ed ▁into ▁the ▁Ring ▁Magazine ▁Hall ▁of ▁Fame ▁in ▁ 1 9 7 1 ▁and ▁the ▁International ▁Box ing ▁Hall ▁of ▁Fame ▁in ▁ 2 0 0 1 . ▁ ▁Professional ▁career ▁ ▁World ▁light ▁heavy weight ▁champion ▁Kn own ▁as ▁the ▁" A st oria ▁Ass ass in ", ▁Ber len bach ▁was ▁known ▁for ▁his ▁p unch ing ▁power . ▁The ▁New ▁York ▁City - born ▁Ber len bach ▁was ▁an ▁AA U ▁champion ▁wrest ler ▁before ▁turning ▁to ▁professional ▁box ing ▁in ▁ 1 9 2 3 . ▁Event ually ▁he ▁scored ▁a ▁ 1 0 th - round ▁T K O ▁over ▁former ▁champion ▁" B att ling ▁S iki " ▁to ▁ear n ▁a ▁title ▁shot ▁against ▁champion ▁Mike ▁Mc T igue . ▁ ▁Descri bed ▁by ▁writer ▁Paul ▁Gall ico ▁as ▁" unt utor ed , ▁un letter ed , ▁slow -