The Spanish release clauses could cause Barcelona trouble again.
Sporting director Robert Fernandez has been spotted watching the Bundesliga side on several occasions as they scout three options.
The Real Madrid forward isn't happy Los Blancos sold a player and never replaced him so has demanded they do in January.
AJ was supposed to be taking on Kubrat Pulev in Cardiff on October 28th but instead he'll be facing someone else.
The Real Madrid and Spain defender is one of 30 names on the shortlist to be named as the best football in the world for the last year.
The heavyweight champion has already had his rematch with Wladimir Klitschko cancelled and now he could be rearranging again.
The Brazilian's glittering career looks to be at an end