Eric Stonestreet -- Yasiel Puig's Crappy HR Derby ... Could Be Just What He Needed

Yasiel Puig's big fat GOOSE EGG in the Home Run Derby could be the best thing that ever happened to him ... so says "Modern Family" star (and Dodgers fanatic) Eric Stonestreet.

Stonestreet was at Target Field in Minneapolis last night went Puig put up a big fat disappointing ZERO ... and watched helplessly as Yoenis Cespedes slugged his way to the championship.

So, why does Stonestreet think losing in such an embarrassing way could actually be the medicine Puig needs?