Slugger Bryce Harper will sign the most lucrative contract ever in American sports history. The Philadelphia Phillies and Harper have agreed to a 13-year, $330-million-dollar contract.

And, what's more, there is no opt-out clause and there is a complete no-trade clause.

Harper is just 26-years-old so the deal takes him through age 39.

Check out what the Phillies are getting...