“Yes, [it is frustrating to be replaced defensively in the ninth],” Castellanos said, per via Tim Kelly of On Pattison.
There are no stats that point to Castellanos being a positive defender in the slightest. For his career, he’s amassed a total of -89 defensive runs saved (DRS) and an ultimate zone rating (UZR) of -62.0. That, suffice to say, is horrific. And it’s not like he’s producing at the plate for the Phillies.
On Friday, Castellanos went 0-3 with one walk, continuing a season of poor production. On the year, Castellanos has a paltry slash line of .253/.294/.406, and he’s been worth negative WAR, according to Fangraphs.
Castellanos better watch out; if he continues to complain all while playing poorly, he may not be long for the Phillies’ everyday lineup.
Phillies fans rag on Nick Castellanos

Castellanos has a very polarizing personality; he is unafraid to express what he’s feeling, even though it lands him in some hot water sometimes. Phillies fans tolerated this when he was producing. But now that he’s a negative in nearly every aspect of the ball, he’s been drawing the ire of Philadelphia’s passionate fanbase.
“When he was hitting, his s**tty attitude was tolerable, now it’s wearing thin. This dude is destined to end up a f**king Marlin next year,” X user @swiftonx wrote.
“That’s quite a reaction from the worst defensive OF in the league who also isn’t helping elsewhere. He should just be thankful he’s playing much at all,” @TheWARmonger_ added.
“Weak, selfish mentality from a player. Guy is terrible defensively. The correct answer is ‘it’s my fault I get pulled in those spots and it’s my responsibility to be better defensively.’ You’d think he’d care more about trying to win a World Series than his ego,” @RobertSportsBet furthered.
“Selfish attitude. If it helps the team he shouldn’t be frustrated. Have a team first attitude,” @4mtboiiiiiii opined.
“The dude has a negative war for the year and has a .562 OPS since July 1,” @jeffmont18AA pointed out.