While I'll always be an AJ stan, her retirement is good in the sense that now other girls that haven't gotten quite the pushes and screen time gets those opportunities. That is the point of #GiveDivasAChance, isn't it?
Paige does not need the belt for a third time in a year this early into her WWE career, plus she's about to film a movie.
Out of the potential babyface challengers I see to take the title from Nikki, Trin makes the most sense to me, IMO. Hell, let's see what she can do with a two month title reign, and bring some #BlackExcellence to the division that hasn't been seen since the days of Jazz and Jacqueline.