Kansas City Chiefs fullback Anthony Sherman announced his retirement from football after 10 seasons in a social media post on Thursday night. Sherman, 32, took to Twitter to thank the Chiefs’ organization and fanbase and then he quite literally rode off into the sunset in a helicopter. "Kansas City, thanks for all the memories," he said wearing a deputy sheriff’s vest. "It's been a great run. Eight years, Super Bowls, but it's onto the next chapter." The video, which was hashtagged #deputysheriff, seemed to