Racing PositionsEx-Eagles center Jason Kelce set to join ESPN3MJason Kelce's longtime trainer Joe O'Pella taped him up for retirement announcement3MTim McManus'Get the Gold Jacket fitted': Sports world praises Jason Kelce as he announces retirement4MESPN staffMcAfee thanks Jason Kelce for a wonderful career4M1:32Eagles' Kelce tearfully retires after 13 seasons4MTim McManus'A guy whose passion is unmatched': Jason Kelce came to symbolize the spirit of the Eagles4MTim McManusWhat's next for Jason Kelce after the NFL?4M1:31NFL free agency tiers: Barnwell stacks the best QBs, TEs and O-linemen on the market5MBill BarnwellWhat's next for Eagles if Jason Kelce, Fletcher Cox retire?5MTim McManusKelce: Bumping, yelling at Reid 'unacceptable'5M