Sorry, Yankees ... former MLB All-Star Royce Clayton says the Dodgers will win the World Series -- telling TMZ Sports, "This is the year."
Clayton -- who we got out checking the surf in Malibu on Thursday morning -- says it pains him to make the prediction as a longtime S.F. Giant ... but he says he just sees it coming.
"I live here, I got love for them," Clayton admitted. "And, you know, if my Giants aren't in there, then I have to say I'm rooting for the home team."
Clayton says there are a few reasons he's pushing L.