Ryan Garcia's win over Devin Haney was an instant classic, and boxing great Shawn Porter is already salivating over talks of a rematch ... telling TMZ Sports he thinks the Dream can get revenge the second time around!!
Garcia (24-1) beat Haney (31-1) and shocked a ton of fight fans by winning via majority decision on Saturday ... making it the latter's first professional loss of his career.
Porter gave us some insight into what Haney should do next ... and in the immediate future, he believes it's best the pugilist take a vacation and ignore the critics on social media.