Kansas City Royals rookie first baseman Nick Pratto, right, prepares to leap onto home plate amidst a crowd of teammates after hitting a walk-off home run in the ninth inning of kaast Saturday’s 5-4 Major League Baseball win over the Boston Red Sox. (CHARLIE RIEDEL/AP PHOTO)
BY AVERY OSEN THE ASSOCIATED PRESS KANSAS CITY, Mo. (AP) — MJ Melendez hit a three-run home run in the fifth inning and had a…