In a video titled "The Greatest," professional basketball players have teamed up to not only urge viewers to vote, but also to cast their ballots for President Obama. Alonzo Mourning, Dahntay Jones, Harrison Barnes, Etan Thomas, Kym Hampton, Vince Carter and Juwan Howard all sing praises to Obama and his accomplishments over the last three and a half years.

"I believe America is still the greatest country in the world," Mourning says in the video. "And I am voting for President Obama."

"Because he has a game plan for the future," explains Etan Thomas.

"Because he knows this country succeeds when everyone gets a fair shot," Kym Hampton adds.

But not all players are on Team Obama. Former NBA player Greg Anthony is featured in another ad for Romney in which he says he voted for the current president when he ran in 2008, but is too disappointed to vote for him again.

"When you look at unemployment, it's probably the highest in the country, double digits right now," Anthony says of his home state, Nevada. "I voted for Barack Obama. Thought he'd be a centrist. I really lost faith in him."

"I'm supporting Mitt Romney. He's a no excuse kind of guy, and I think over the last four years we've heard enough excuses," he continues. "I just don't believe we can afford four more years like the last four years."

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(Photo: Barack Obama Presidential Campaign)