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Eduardo Escobar the walk-off hero in Mets' win (0:55)

The Mets won it in the 10th with a single by Eduardo Escobar. (0:55)

Philadelphia has lost ten games in a row and is in last place in the National League East, but manager Joe Girardi is not worried about his job security.

ThePhillies have lost 10 of their past 14 games and ended their seven-game road trip in disappointing fashion Sunday night, when they blew a ninth-inning lead and lost to the Mets.

The loss was extremely frustrating for him, but he insisted that he wasn't thinking about his future with Philadelphia.

"I don't worry about my job," he said. I do not worry about my job. I have to do my job. Being a manager is the business. I don't worry about it.

The team has a $233 million payroll, which is the fourth highest in the majors, and a roster that includes a NL Most Valuable Player, a Cy Young Award winner, and two other free agents.

Despite lofty preseason expectations, the Phils enter Monday closer to the last-place Nationals in the NL East than the first-place Mets.

Castellanos' three-run homer gave Philadelphia a 4-3 lead Sunday night, but struggling closer Corey Knebel gave up a tying home run in the ninth and a winning double in the 10th.

Good teams don't do that. It is difficult -- big home run, big home run and lose. It is crushing.

The loss came hours after the Philadelphia Inquirer published a report in which multiple players pondered a lack of energy from the team.

Castellanos told the Inquirer he doesn't know how to describe the energy now, but it's obviously not where it needs to be, while Kyle Gibson wondered if the Philadelphians are bogged down by expectations.

It looks like we are not having fun because of the high expectations.

Despite a walk-off loss that punctuated a weekend sweep at the hands of the Mets and a disappointing 2-5 road trip, Phillies manager Joe Girardi said there is "fight in that room." John Adams/Icon Sportswire

After Sunday's loss, he said that there was a fight in that room. Wheeler, who started Sunday and allowed three runs, only one earned, said he is confident that the team has enough talent to turn around their season.

Wheeler told reporters that they have to continue to battle and keep grinding. I think we all know that. We all know that we have a lot of talent here. We have to do it.

The San Francisco Giants will be the opponent for the opener of the three-game series on Monday.

After Sunday's loss to the Giants, the Phils need to "turn the page as quickly as possible" in order to climb out of their 10-game deficit in the NL East.

Everybody knows that. We have to be ready to play every day. The season isn't over until we play 162.