Amir Khan was given a scare by Samuel Vargas before a unanimous points win in Birmingham on Saturday as his world title bid credentials were questioned.
The Bolton welterweight, in his second fight since returning to the ring after a two-year absence, was knocked to the floor in the final moments of the second round.
"Both fights are massive but Manny is someone I'd love to fight first". He's the fastest fighter I've ever seen.
Khan claimed to have prepared for this bout as if it were a title fight, but few top-class opponents would have been concerned by what they saw from the 31-year-old after a strong start.
"If the fight happens between us I know it will be big". I don't think about those losses, I'm just carrying on with my career, I go every fight a step at a time.
Johnny Nelson has predicted a win for Amir Khan in a potential super fight between himself and fellow British former world champion Kell Brook.
'100 per cent I won't, and I will beat Manny Pacquiapo and Kell Brook. Manny Pacquiao or Kell Brook?
'If it's not Pacquiao we go back to the drawing board and then look at Brook'. I've not got beat by dummies.
"I am sure he had a fight coming up but he pulled out".
"There were times in the fight when I wanted to put him away, there were times when I could have pushed it and knocked him out".
It was a clear and unanimous points victory against a tough but moderate opponent, but Khan was knocked down in the process and was noticeably exhausted in the later stages of the 12-round contest at welterweight.
In round 10, Khan was saved by the bell again, having been stiffened by a Vargas right hand.
"He (Vargas) caught me with an overhand right hand, right on the button, I got back up and I was fine".
But Vargas, who was stopped by Garcia in seven rounds two years ago and in four rounds by Spence in 2015, stubbornly fought back and breached Khan's defense early in the seventh round.
Boxer Amir Khan in action against Samuel Vargas of Colombia in Arena Birmingham, Britain, September 8, 2018.