Featherweight Daniel Franco had additional surgery on Monday night and remains in a coma in an Iowa hospital.

As previously reported, Franco was viciously knocked out in the eight round by Jose Haro in the main event of a card at the WinnaVegas Casino in Sloan, Iowa. After the fight, Franco was rushed to a hospital and underwent emergency surgery to stop two brain bleeds.

Franco was knocked out with a hard right-hand shot from Haro, and the fight was stopped immediately by referee Celestino Ruiz. The 25-year-old was transported to Mercy Medical Center in Sioux City, Iowa, and placed in a medically induced coma.

Franco's father and trainer, Al Franco, has now revealed that additional surgery was necessary.

"Daniel had emergency surgery last night to repair bleeding in the epidural hematoma region of the brain. His initial surgery was to repair bleeding in the subdural hematoma area," Al Franco stated.

"The doctors decided to keep part of his skull off this time to help with the pressure.. It will remain off for at least six weeks and he will continue to be monitored under strict doctor supervision. Please continue to pray for him. Continue saying his name, just help sending positive vibes out. My family and I appreciate everyone's love and support in our darkest times.

"I personally have never felt this much love, fear and pain in my life. I'm lost but I have to maintain as strong as I can be. I will continue to keep everyone posted and please continue sharing his go fund me page. Thank you all from the bottom of my broken heart."

Franco is expected to stay in Iowa for several weeks and it might even be months before he can be transported to his native California.

Franco (16-2-3, 11 knockouts) absorbed several hard shots from Haro (14-1-1, eight KOs) through the fight and staggered in the sixth round.

Before the fight ended, he was knocked down in the eighth with an overhand right but beat the count. The next shot landed near Franco's temple, and Franco immediately fell to the canvas.

Moments later, Franco appeared alert while getting medical attention, but as the result of the fight was being announced, he lay down on the mat was removed from the ring on a stretcher.

Franco was handed his first career defeat in a third-round knockout by Christopher Martin on March 23. He rebounded with a first-round knockout win over Francisco Agustin Suarez on May 12 before taking on Haro.