What is surprising about Castro is that if you look at him he doesn't do anything great he is very limited. But he is good all rounder and he is tough as nails and he beat some very skilled fighters like Reggie Johnson even though i did think Castro did get gift decision's in those fights with Johnson. He also took one hell of a beating against Terry Norris and he kept coming and coming Castro had one of the best chins in the modern era of boxing. Even against Roy Jones Jr he gave him pretty tough fight and despite having his nose broken early in the fight he still lasted the distance against Jones.

And of course his 1st fight with John David Jackson is a classic in the 3rd or 4th round Castro took a beating in the corner for about 1 minute. Jackson must of landed over 50 flush punches then what does Castro do ?? in the final 20 seconds he wobbles Jackson and comes right back. Castro did comeback strong in middle rounds after losing all the early rounds. Then Jackson started to take over round about 7th round and Castro had horrible cuts and his eye was closed, going into the 9th round it seemed Castro was finished. Castro was taking a beating on the ropes, the ref was just about to stop the fight he even raised his hands signaling the fight stoppage but just as he was about to get in between the fighters to make it official Castro landed a massive left hook off the ropes and Jackson fell like a tree he got up but was still badly shaken and he was floored another 2 times and the ref stopped the fight, one of the most amazing comeback's in boxing history.

Castro also went 1-1 with Roberto Duran but lets not forget that Duran was very old at the time. Overall Castro was very limited but exciting fighter and his strong will, heart, chin, injuries, overcome skill and he become World champion quite an incredible boxer.