[MENTION][/MENTION]I disagree that he is being petty. He gave her money on the premise that she would fight the fight she signed up for, which Serrano no longer wants to do. Which is her privilege to back out of the fight. However now she needs to return the money that she was given.
This could also be bad for other fighter's in the future. Hearn and other promoter's could look at this as a valid reason not to provide fighter's with training expenses prior to a fight.
This could also be bad for other fighter's in the future. Hearn and other promoter's could look at this as a valid reason not to provide fighter's with training expenses prior to a fight.

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