By Daniel Chavkin The Philadelphia outfielder was booed at home after another tough night at the plate. View the original article to see embedded media. Nick Castellanos has experienced a difficult season in his first year with the Phillies, and he’s hearing it from the crowd. Philadelphia fans, who are not afraid to express their displeasure, booed Castellanos on Saturday night when the outfielder went 0-4. Castellanos is clearly frustrated by his struggles, and that frustration bled into a postgame interview. After the game, Castellanos and Jim Salisbury of NBC Sports Philadelphia got into a…