NBA

The Memphis Grizzlies have signed free-agent center Hamed Haddadi, who recently played for the Iranian national team in the 2008 Beijing Olympics.

Houston Rockets forward Chuck Hayes broke his nose during a workout session on Thursday and underwent successful surgery later that afternoon.

The New Orleans Hornets strengthened their bench on Thursday by signing free-agent forward/center Sean Marks.

The Portland Trail Blazers signed a trio of players Wednesday including forward Luke Jackson and two rookies, center Steven Hill and guard Jamaal Tatum.

The Los Angeles Lakers signed second- round draft pick guard Joe Crawford on Wednesday. Per team policy, terms of the agreement were not released.

Golden State Warriors guard Monta Ellis underwent successful surgery Wednesday to repair a torn deltoid ligament in his left ankle and will be sidelined a minimum of three-plus months.

Former Portland Trail Blazers center Kevin Duckworth died Monday. He was 44.

The Boston Celtics signed guard J.R. Giddens to an undisclosed contract Tuesday.

The Los Angeles Lakers signed point guard Sun Yue to a multi-year contract on Monday. Terms of the deal were not released.

The Dallas Mavericks re-signed veteran swingman Devean George on Monday.