Travis Kelce and his brother Jason were among a raucous crowd at Citizens Bank Park to watch the Phillies take on the Diamondbacks in the NLCS opener. 

Jason, who plays for the Eagles, was seen downing beers in the stands, while fans in Philadelphia went wild when the siblings appeared on the big screen. 

‘Hey, it’s Red October baby, Philly season is here and we’re dominating tonight,’ Jason said in a video on social media.

He then turned to his brother, asking: ‘What do you think of Citizens Bank right now?’ Travis, who spent the weekend with new flame Taylor Swift in New York responded: ‘I mean this place is rocking!’

The Kansas City Chiefs star was in the stands of MetLife Stadium on Sunday to watch Jason and the Eagles face the New York Jets.

Travis Kelce and his brother Jason were among a raucous crowd at Citizens Bank Park

The Kelce brothers were in the stands to watch the Phillies take on the Diamondbacks 

‘This place is rocking!’ the Kansas City Chiefs star said when asked what he made of the night

Jason plays for the Eagles but on Monday night he was supporting Philadelphia’s baseball team

The Kelce brothers toasted their evening by enjoying a can of beer in the stands on Monday 

The Chiefs star spent the weekend in New York alongside his new girlfiend Taylor Swift 

On Monday, Kelce enjoyed some baseball action as Philadelphia faced off against Arizona at Citizens Bank Park. He was spotted drinking a can of beer alongside his brother, who wore a red Phillies hat.

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Earlier on Monday, Swift had sparked rumors she was traveling back to Kansas City with her new boyfriend.

The pop superstar headed to watch Kelce play for the Chiefs on Thursday night in Missouri, before they spent Thursday and Friday night together at his mansion.

On Saturday, they both flew back to NYC together on Taylor’s private jet, before hitting the town together on both Saturday and Sunday.

Then, on Monday, various Louis Vuitton luggage cases were seen being loaded into an SUV at Taylor’s Tribeca apartment.

Minutes later, Taylor’s new Range Rover emerged from the underground parking garage, before both cars headed off to the airport. 

A black Range Rover and silver SUV left Taylor Swift’s Tribeca apartment on Monday

Minutes earlier, Louis Vuitton bags had been loaded into one of the SUVs parked outside

Taylor opted not to go to MetLife on Sunday, after she attended Travis’ game on Thursday 

But Kelce instead headed to Philadelphia to join his brother. The tight end will need to return to Kanas City in the coming days, with the Los Angeles Chargers visiting  Arrowhead on Sunday afternoon.

Taylor has been to four of Kelce’s last five games, and she could yet attend more – as she enjoys time off before the South American leg of her worldwide Eras tour. 

She decided to steer clear of Jason and the Philadelphia Eagles’ game in New Jersey at MetLife Stadium, with Travis attending the event with some friends.

While at the game Travis hilariously thanked a supporter after they handed him a bracelet which read ‘on the map’ – a reference to recent suggestions that new flame Taylor is the only reason he is famous.