Despite coming into the combat arsenic a fertile underdog, the Sydneysider dropped Lopez successful the archetypal round, mounting the signifier for what would beryllium a phenomenal performance.
While Lopez deed backmost successful the 10th circular with his ain knockdown of the Australian, the 28-year-old from Down Under had done capable to unafraid the win.
Two of the judges awarded the combat 115-111 and 115-112 to Kambosos, portion Lopez got 1 114-113 telephone to spell his way, making the Aussie the undisputed lightweight satellite champion.
Kambosos knocks down Lopez
The triumph improved Kambosos' vocation grounds to 20-0, with Lopez the 2nd American to succumb to the Aussie aft Mickey Bey successful 2019.
Kambosos was a $6 underdog to triumph the combat outright and $9.50 to triumph it via points/decision.
There was wide praise from the boxing satellite for Kambosos aft his outrageous performance, including from erstwhile satellite champion Manny Pacquiao.
"Congratulations to my friend, @georgekambosos, connected an epic win!" Pacquiao tweeted.
"You helped maine successful truthful galore of my past fights, I anticipation our hundreds of rounds of sparring helped you successful immoderate mode tonight. I'm arrogant of you."
Kambosos' stunning upset besides enactment him connected the radar of immoderate of boxing's biggest names, who each wanted their portion of the Aussie superstar.
Lopez's classless infinitesimal aft nonaccomplishment to Kambosos
Kambosos was pumped aft his upset win, calling himself the "greatest Australian combatant successful history".
"Have I changed each week? Have I changed each career? Never… I'm not the king, due to the fact that you've got 4 kings. I'm the emperor," helium exclaimed.
"Every time I got amended and amended and amended and better.
"It's my nighttime contiguous and it's gunna beryllium my nighttime for a precise agelong time
"I'm the Emperor. I got myself backmost up, what a warrior."