#2 Put him in a tag team
When in doubt, put someone in a tag team. It’s a rule that doesn’t work at a 100% success rate, but it rejuvenates a wrestler’s career is more often than not. In the past, Jack Swagger had a decent tag team going with Dolph Ziggler and another one with Cesaro, so it would have been worth a shot to try it again.
For that matter, Dolph Ziggler’s current character could use a buddy to tag up with to go against Apollo Crews and Kalisto. The two of them could have reunited as former allies who agreed that they were too good in the ring to be passed over as much as they were.
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There were rumours during the early onset of the brand split that a stable was going to form with some combination of Swagger, Ziggler, Shelton Benjamin and American Alpha, but nothing of the sort happened. While Benjamin was out of the running, the other four men were still available and could have possibly become a great stable.
Would there have been comparisons to Team Angle if Swagger was leading up a team with Jason Jordan and Chad Gable? Of course. Is that necessarily a bad thing? It only becomes problematic if the faction doesn’t gel well together and the only way to know that is to at least try.
If Heath Slater and Rhyno could form a decent tag team on SmackDown out of nowhere, Swagger could have had a multitude of different partners that he might have had success with.