The Memphis Grizzlies signed 2008 first-round draft pick O.J. Mayo to a multi-year contract, Grizzlies General Manager and Vice President of Basketball Operations Chris Wallace announced today. Per team policy, terms of the deals were not disclosed.

The NBA’s rookie scale calls for Mayo to make about $6.7 million during his first two seasons.

2008 draft picks O.J. Mayo and Darrell Arthur will join Mike Conley and Javaris Crittenton on the Memphis Grizzlies summer league team in Las Vegas from July 11th to the 16th. Mayo will be the highest selected draft pick participating in the Vegas summer league. The Grizzlies will play in 5 games, which will be televised on NBA.com or NBATV.