Kell Brook told Ringside that he is "gutted" to have had to pull out of his world title bout with Devon Alexander - but says he had no other option.
The 26-year-old was scheduled to fight for Alexander's IBF welterweight strap in Atlantic City, New Jersey on May 18, but has been struck down by a foot injury, meaning the clash has been shelved for a third time.
The Sheffield puncher's ankle ailment postponed his initial January meeting with Alexander, while the American subsequently tore his bicep in training and was unable to fulfil the rearranged date of February 23.
Brook says he could not risk heading into his clash with Alexander not at "peak fitness" but now fears that he may have to wait a while before he is granted an opportunity to snare world title gold.
"I am absolutely gutted as this is all I've dreamt about since I was nine years old," the Brit, who defeated Argentina's Hector Saldivia in October to take his professional record to 29-0, told Johnny Nelson.
"It seems like this fight has been going on forever as I've been training since November and it's been one thing after another.
"I have a stress fracture in my fourth metatarsal and my doctor told me that there was no way I could box or run for three or four weeks and that's the time when I am getting to my peak fitness.
"I would have had a week before the fight to get my sparring done and that's when you start tapering things down, and for the fight of my life I couldn't go in there at anything less than 100 per cent.
"I should be ready [to fight again] in September time but will it be for a world title? I don't know. Do I deserve to box for a world title in my next fight? I don't know. A lot needs to be talked about and we need to decide what we need to do."
Glenn McCrory watched Brook's chat with Nelson in the Ringside studio and noted how low the former British welterweight champion seemed, and he says the Yorkshireman will need a strong support network to raise his spirits.
"I am a little bit perturbed watching the interview because you could see that things were weighing heavily on Kell's shoulders," said Sky Sports pundit McCrory, a one-time IBF cruiserweight titlist.
"He deserves a world-title shot but it now comes down to his temperament and it is going to take trainers, friends and family to keep him up because this is a very important stage of his career."