Sonnen is only allowed to start training (commission suspension for injuries) like 3 weeks before the event and is cleared to actually fight like 5 days before the fight so it would be a big disservice to him to make him fight anderson when he can't be ready. Randy was the first who came to mind to fill that gap since he has been fighting often and he is somewhat deserving over other middleweights and he isn't injured but there is news of him set to fight rich franklin in a few months. Only other person I could think of at MW is Maia but I don't think that would work.
I can't really think of any LHW that would make a good fight but something is better than just moving him off the card. Maybe have anderson fight kongo at hw or something crazy like that.
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