▁ 9 th ▁round ▁after ▁losing ▁mouth pie ce ▁twice ▁as ▁the ▁bout ▁went ▁full ▁ 1 0 ▁r ounds . ▁The ▁score cards ▁read ▁ 9 7 – 9 2 , ▁ 9 7 – 9 2 , ▁ 1 0 0 – 8 9 . ▁On ▁April ▁ 1 6 , ▁ 2 0 1 0 ▁he ▁knock ed ▁out ▁veter an ▁Ra ul ▁Pin zon ▁( 1 7 – 4 , ▁ 1 6 ▁K Os ) ▁in ▁just ▁one ▁round . ▁In ▁July , ▁Por ter ▁beat ▁ 2 4 ▁year ▁old ▁Ray ▁Robinson ▁( 1 1 – 1 , ▁ 4 ▁K Os ) ▁via ▁un anim ous ▁decision ▁( 9 9 – 8 9 , ▁ 9 7 – 9 2 , ▁ 9 8 – 9 1 ) ▁at ▁De S oto ▁C iv ic ▁Center ▁in ▁South aven , ▁Mississippi . ▁ ▁Wel ter weight ▁On ▁October ▁ 1 5 , ▁ 2 0 1 0 , ▁Por ter ▁moved ▁down ▁to ▁ 1 4 7 l bs . ▁His ▁first ▁oppon ent ▁was ▁American ▁H ector ▁Mun oz ▁( 1 8 – 3 – 4 , ▁ 1 1 ▁K Os ) ▁at ▁the ▁Buff alo ▁Run ▁Cas ino ▁in ▁Miami , ▁Oklahoma . ▁It ▁was ▁for ▁the ▁N AB F ▁wel ter weight ▁title , ▁left ▁vac ant ▁by ▁Sa ul ▁Al vare z . ▁Mun oz ▁was ▁cut ▁on ▁the ▁right ▁side ▁of ▁his ▁head ▁by ▁a ▁bar rage ▁of ▁p unch