At Carl's Cards & Collectibles, there's Kelce memorabilia proudly on display throughout the store.
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"For us it was really special because we had him two days after the [Super Bowl] parade," said owner Carl Henderson.
Behind each picture and signature is a story.
"Everybody was here to see Jason and I have to tell you the story, he parks over here and people just filled his pickup truck with beer," recalled Henderson.
RELATED: Is Jason Kelce retiring? Eagles star center breaks news to teammates after Bucs loss: ESPN sources
At least once a year, he stops by this beloved card shop to sign autographs and meet fans, which always draws a line.
The staff around the corner at Crust Pizza and Havertown Grille can back up that fandom.
"All the customers know him. He knows all the customers by first name. He's just a regular," said Nick Haselidis, owner of Crust Pizza and Havertown Grille.
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They say he'll often drop in for a pie, or sit down for breakfast next door.
According to ESPN's sources, Kelce, 36, told his team following Monday night's playoff loss that he's retiring.
The six-time All-Pro and future Hall of Famer has considered retiring after other recent seasons, but this time it will happen, according to sources.
Kelce declined to talk with reporters in the locker room after the game, saying: "No guys, not today."
A sixth-round draft selection in 2011, Kelce has played his entire 13-year career with the Eagles and has been one of the key leaders for a team that has made six postseason appearances and two Super Bowl trips over the past seven seasons.
Kelce is the fifth center in NFL history with at least six All-Pro selections. The other four -- Jim Otto, Bulldog Turner, Dermontti Dawson, Jim Ringo -- are all in the Pro Football Hall of Fame.