United Kingdom, July 13 -- Jason Kelce says his brother Travis is his "best friend on the planet".

The former Philadelphia Eagles player and his Kansas City Chiefs star brother were rivals in the NFL but Jason, 37, insisted he and Travis, 35 have always been close and their podcast has brought them even closer together.

According to Starcade Media, he said: "Travis and I have been close for a long time. Now with the [New Heights] podcast, we talk to each other more than we ever have.

"We loved each other growing up. We still love each other. Now it's more like peer to peer, whereas growing up, being the older brother, it was a little bit different.

"Now, he's my best friend on the planet. We get to talk once a week and our families ar...