The 27-year-old took a heavy beating at the end of which he was rushed to the Royal London Hospital. Dave Allen was taken to hospital after he stood up and collapsed. Due to that, Allen was given oxygen in the ring before being removed.
His corner then decided to pull the Doncaster-born fighter out of the ring.
As of yet it is not known what his current condition is, although he was taken to the hospital as a precautionary measure.
From round one, Price peppered his opponent with a jab, which set the tone for the rest of the fight.
The tall 36-year-old, Price then dominated from there before Allen’s coach Darren Barker threw the towel in to pull the fighter out.
Following the fight, fans took to twitter to praise Allen while also hoping that he was ok.
One said: “Dave Allen took a lot tonight from a very heavy handed jab and I hope all is ok after hearing he’s been taken straight to hospital.”
Another added: “Price could’ve ended that anytime after round 7, Chose to use his jab and size. Boxed brilliantly. Allen too brave for his own good. Hope he’s okay.”
After seeing Allen’s condition, Price cut his celebrations short out of concern for his opponent.
The two were fighting on the same card as Dillian Whyte, who will fight Oscar Rivas for the WBC’s interim world title fight.
Whyte dominated his fight early as he took on Rivas who was undefeated coming into Saturday’s night event.
In what turned out to be an instant classic, both boxers exchanged heavy blows with Whyte getting knocked down in round nine.
The Englishman, however, came back and took the win on a unanimous decision.
Later on Barker, confirmed that Allen was recovering as he tweeted: “Dave wants you to know he’s ok.
He’s just waiting on a scan and a few stitches. He also wants to congratulate Price on a fantastic win.”