Forsch made headlines during the 1987 National League Championship Series, which pitted the Cards against the San Francisco Giants. The Giants led the series after Game 2, owing in part to the batting prowess of outfielder Jeffrey Leonard, who scored nine runs and five RBIs during the series. The Cardinal fans were enraged with Leonard's "one-flap down" routine of running the bases, and his "Cadillac" home run trot. While pitching to Leonard in the fifth inning, Forsch famously hit Leonard in the back with a fastball. This created a stir in the St. Louis press, which began calling Leonard "both flaps down". Forsch unconvincingly commented, "Just trying to come inside"