Rapper Jay Z has made his first major signing as a qualified sports agent by picking up basketball superstar Kevin Durant.

The Oklahoma City Thunder all-star has signed to Roc Nation Sports, the new agency the hip-hop icon has launched with bosses at the Creative Artist Agency.

Durant's new rep says, "He has a 90.5 (per cent) free throw shooting rate... (He's) a giving individual and a legend in the making. What more can I say?"

The Thunder star is considered one of the best five players in professional basketball.

Jay Z's Roc Nation Sports also represents New York Yankees all-star second baseman Robinson Cano, New York Jets quarterback Geno Smith and female basketball phenomenon Skylar Diggins.