I bet Cena wins one again.
I disagree that winning the case has been a career killer for anyone. Daniel Bryan and Kane are both at the top of their game right now, The Miz's career only stalled when he took time off to film a movie and Miz TV and his face turn suggest a push back to main events is not far off, ADR has been a solid main event star ever since, CM Punk - well do I have to explain? Even Mr Kennedy's career is far better off now he's the big fish in a little pond. So, unless you're Jack Swagger, winning MitB is golden. The worst off are Cena and Ziggler, Ziggler hasn't cashed in yet so who knows what will happen and Cena really didn't need the case to be the face of WWE.
I'd like to see Swagger return and win again. I'd like to see Jericho win as part of a storyline to put over a younger star. By the time MitB rolls around again I'm sure The Shield will has split up so Ambrose and Rollins are likely contenders too.