The Boston Celtics exercised the fourth-year contract option on guard Rajon Rondo.

The Detroit Pistons signed forward Jason Maxiell to a contract extension.

The Golden State Warriors exercised the third-year contract options on guard Marco Belinelli and forward Brandon Wright; declined the fourth-year contract option on guard Marcus Williams.

The Portland Trail Blazers signed guard-forward Martell Webster to a multi-year contract extension.

The L.A. Lakers signed center Andrew Bynum to a multi-year contract extension.

The New Jersey Nets exercised the fourth-year contract option on center Josh Boone and the third-year contract options on center Sean Williams and forward Yi Jianlian; declined the fourth-year contract option on guard Maurice Ager.

The Denver Nuggets exercised the fourth-year contract option on forward Renaldo Balkman.

The Golden State Warriors signed coach Don Nelson to a contract extension.

The Minnesota Timberwolves exercised the third-year contract option on forward Corey Brewer and the fourth-year contract option on guard Randy Foye.

The San Antonio Spurs exercised the third-year contract option on center Ian Mahinmi.

The Miami Heat exercised the third-year contract option on guard Daequan Cook.

The Chicago Bulls signed forward-center Michael Ruffin.

The L.A. Lakers waived guard Coby Karl.

The New York Knicks waived forward Patrick Ewing Jr.

The Washington Wizards exercised the third-year contract options on forward-center Oleksiy Pecherov and guard Nick Young.

The Miami Heat waived center David Padgett and guard Jason Richards.

The San Antonio Spurs waived guard/forward Malik Hairston.

The Chicago Bulls announced they have picked up the 2009-10 contract options on forward Tyrus Thomas, Joakim Noah and guard Thabo Sefolosha.

The New Jersey Nets waived guards Eddie Gill, Julius Hodge, and forwards Brian Hamilton and Keith Van Horn.

The Milwaukee Bucks waived forward Matt Freije.

The Chicago Bulls waived forward Roger Powell and forward-center Michael Ruffin.

The Cleveland Cavaliers waived forward Ronald Dupree.

The Dallas Mavericks waived guard Keith McLeod.

The Denver Nuggets waived guards Mateen Cleaves and Smush Parker and forwards Nick Fazekas, James Mays and Ruben Patterson.

The Indiana Pacers waived forwards Austin Croshere and Josh Davis.

The L.A. Clippers waived forward Jelani McCoy.

The New York Knicks exercised the third-year contract option on forward Wilson Chandler and the fourth-year contract option on guard Mardy Collins.

The Orlando Magic waived forward Dwayne Jones.

The Philadelphia 76ers waived forward Jared Reiner.

The San Antonio Spurs waived guard-forward Devin Green, guard Salim Stoudamire and center Darryl Watkins.

The Charlotte Bobcats waived forward Justin Williams.

The L.A. Lakers waived guard Joe Crawford and forward C.J. Giles.

The Toronto Raptors waived center Jamal Sampson.

The Oklahoma City Thunder waived center Chris Alexander and guard Derrick Byars.

The Washington Wizards waived forwards DerMarr Johnson and Linton Johnson.

The Chicago Bulls waived forward Elton Brown and guard Darius Washington.

The Cleveland Cavaliers waived guard Vernon Hamilton.

The L.A. Lakers waived guard Brandon Heath.

The Milwaukee Bucks waived guards Ron Howard and Kevin Kruger.

The Philadelphia 76ers waived forward Antywane Robinson.

The San Antonio Spurs waived forward Charles Gaines.

The Golden State Warriors waived guard Dan Dickau.

The Portland Trail Blazers waived guard Jamaal Tatum.

The Oklahoma City Thunder exercised the 2009-10 contract options on forward Jeff Green and guard-forward Kevin Durant.

The Charlotte Bobcats exercised the 2009-10 contract options on forwards Adam Morrison and Jared Dudley.

The Atlanta Hawks waived center Marcus Hubbard and guard Frank Robinson.

The Charlotte Bobcats waived guards Donell Taylor and Marcus Williams.

The Indiana Pacers acquired guard Eddie Jones, two future second-round picks and cash considerations from the Dallas Mavericks for forward Shawne Williams; signed center Jeff Foster to a contract extension.

The Washington Wizards waived forward Taj McCullough.

The Golden State Warriors waived guard-forward Dion Dowell and center Justin Williams.

The Minnesota Timberwolves signed center David Harrison.

The Cleveland Cavaliers released center Lance Allred and guard Michael Dickerson.

The L.A. Lakers waived guard Dwayne Mitchell.

The Orlando Magic exercised the 2009-10 contract option on guard J.J. Redick.

The Philadelphia 76ers waived guards Andre Emmett and Maureece Rice and forward Cory Underwood.

The Denver Nuggets signed forward Juwan Howard.

The Miami Heat signed guard Shaun Livingston; waived guard Tre Kelley.

The Golden State Warriors signed guard Dan Dickau.

The San Antonio Spurs signed forward Charles Gaines.