 In Game 6 of the 1987 World Series, With the Minnesota Twins already leading 6–5 in the sixth inning, Dayley was brought in to face left-handed hitter Kent Hrbek with the bases loaded and two out.Dayley's first pitch was deposited over the center field fence for a grand slam.That gave the Twins a 10–5 lead, and they would go on to win the game 11–5, then win Game 7 as well to send the Cardinals to their second World Series loss in three years.