Bellator On Kimbo Slice: No Warning Signs ... In Pre-Fight Heart Tests

The doctors who cleared Kimbo Slice to fight at Bellator 149 in February found NO SIGNS of serious heart problems during pre-fight health exams ... this according to Bellator.

A Bellator spokesperson tells us ... Slice was not only required to pass a physical exam before his fight (as with all fighters over the age 35), he also had to pass an EKG and an EEG in order to be cleared.

Slice passed away this week -- and doctors said his heart was in such bad shape in his final days that he needed a transplant.

But Bellator says Slice would have been pulled IMMEDIATELY if there were any red flags back in February.

“If there was ANY sign that Kimbo was not healthy enough to fight, we would NOT have allowed him to fight."