Canelo Alvarez wants to unify at 168, but should he really close the door on a GGG trilogy?

After Canelo Alvarez and Gennadiy Golovkin scored dominant victories a day apart, is a third showdown next?

source https://www.espn.com/boxing/story/_/id/30559255/canelo-alvarez-wants-unify-168-really-close-door-ggg-trilogy