Cornerback Johnathan Joseph officially announced his retirement Thursday, ending his NFL career after 15 seasons.
"In the summer of 2006, I signed my first NFL contract with the Cincinnati Bengals. Fifteen years later, I can say I accomplished my childhood goal of making it to the NFL. I will never forget as a kid telling my father I wanted to be in the NFL," he wrote on Twitter.
In a series of tweets, Joseph, 37, went on to thank his family, his agent and his teammates at his four NFL stops -- the Bengals, Houston Texans, Arizona Cardinals and Tennessee Titans -- and the fans, who he wrote "made playing the game worth it.