#4 Let him join the Tag Team Divison:
At the moment it's all about giving Crews as much exposure as possible, him being in a tag team gets a foot in the door. Pair him with an unlikely partner like Curt Hawkins. The same way an unconventional pair like Rhyno & Heath Slater got over, Crews & Hawkins could be the next big thing.
Nowadays, if you put on good matches and have a chant that is easy to understand, you get over. Apollo in a tag team would have no chance of being overexposed. Instead, the spotlight would be evenly shared by the pair.
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Tag teams provide interesting dynamics because their numerical advantage allows them to perform moves that we don't see week in week out. Also, if one botches a move, the other could cover for them. Being in a tag team protects Apollo as he doesn't have to talk every week or wrestle every minute of a match.