User blog comment:Omega natsu2/Chapter 368: The Third Seal, Predictions./@comment-7418318-20140120165720

While I won't predict it, since I'm pretty sure it won't happen, I'd love it if Sasuke would be fatally wounded and Sakura would transplant his eyes into Naruto. Inside Naruto the Sharingan evolved into Rinnegan, due to Naruto's Senju heritage. With those new-found powers Naruto wrests the control of the Gedo statue away from Madara and becomes the jubi jinchuuriki in his stead.

Or alternatively Sasuke and Naruto exchange one eye with each other. Since both combine genetic material of the Uchiha and Senju bloodlines, both of them evolve Rinnegan. With their combined powers they rofl-stomp Madara and the stage is set for an epic showdown.