"Over the last three years I've struggled with recurring muscle injuries in my kicking leg," Kaeding said, KCRG-TV reported. "Since January of this offseason I executed a deliberate and comprehensive training regimen devised to address these muscular deficiencies.
"However, this past week, as I began kicking again for the first time in preparation for the 2013 season, I suffered yet another injury to my right adductor. After consulting with both medical professionals and personal advisers, I've come to the conclusion that I can no longer perform at the level of consistency and durability that is required of me as an athlete in the National Football League."
He made 181 of 210 field-goal attempts during his career. That 86.2 career percentage ranks fourth in NFL history.