Boxer Darmani Rock Signs With Roc Nation Sports

Darmani Rock

Heavyweight boxer Darmani Rock has become the latest signee of Jay Z's Roc Nation Sports.

The Philly-bred boxer made the announcement on Twitter on Tuesday (Feb. 16), posting a photo of himself with Jay Z, along with the message: "Officially part of the @RocNation fam. Big things comin."

Rock, 19, made a name for himself in 2014 after winning the USA Boxing Junior and Youth Open, Youth Continental and Youth World super heavyweight titles.

He joins a stable of boxing stars that already includes Andre Ward and Miguel Cotto.