I think the Overeem vs Mir fight was pure garbage.
Most likely, Dana figured that he needed to groom an opponent for Brock Lesnar, prior to his return. Not to mention that one of these fighters was due to get cut from the UFC (Historically speaking, after 2 loses, a fighter gets cut, unless he can actually provide a great return on investment via high PPV sales).
Overeem is still a "visually" appealing heavyweight with an impressive CV that gets fans interested. What better way to slowly rebuild the Overeem hype, than by putting him up against a tired Mir that is clearly on his way out?
As soon as his current WWe stint is done, Lesnar will come on over for a nice pay day in the UFC and in return will provide Dana and the Fertittas with massive Pay Per View numbers, as WWe fans will buy the UFC event (Lesnar vs Overeem) in support of their "wrasstling" hero.
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