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 last 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…