We are four months away from the bloody fight, do you expect him to get ripped? A lot of fighters don't even start training heavily until 8 weeks before the fight.
Have you guys seen rampage or forrest few months before their fight? They look totally out of shape. They both have huge guts. When Serra had his back injury, he weighed 200 lbs and that was 4 months before his fight in april.
This means nothing and has nothing to do with him not training properly.