Peyton Manning has thrown his support behind the movement to make football an Olympic sport.
"There's still one thing left for me to accomplish. That's winning a gold medal," Manning said in a 2008 video for weplay.com
Four years later, the chances of Manning ever quarterbacking what would be considered the NFL's version of a Dream Team remain just that -- a dream.
The chief of the top US youth development program says Manning's future great-grandchildren have a more realistic chance of vying for Olympic gold than any generation before them. And even then, there are no guarantees football will ever be played on such a worldwide stage.
"I think we have substantial challenges just like rugby has to ever envision our traditional American football in the Olympics," USA Football executive director Scott Hallenbeck told FOXSports.com.
That doesn't mean Hallenbeck and other like-minded advocates have abandoned the cause for Olympic inclusion of America's most popular game.
With NFL s...