The Washington Wizards have signed Martell Webster. 

"Martell brings a combination of versatility and shooting in addition to his experience," said Grunfeld.  “Adding him to the roster provides us with another solid veteran presence and gives us flexibility with our lineups at both the shooting guard and small forward positions."

Webster (6-7, 230) holds career averages of 8.4 points and 3.2 rebounds while shooting .374 from three-point range in 394 games (191 starts) over seven seasons with Portland and Minnesota.

The Celtics officially signed Jeff Green, more than a month after coming to terms on a contract.

“We are thrilled to be able to have Jeff back with the Celtics,” said Danny Ainge. “Jeff’s versatility on offense and ability to guard players out on the perimeter is something that we are looking forward to having on the court this season.”

Green, a 6’9” forward, missed all of the 2011-12 season due to an aortic aneurysm that was discovered during his physical prior to the start of the season. 

“I cannot wait to get back out onto the court and help this team towards our goal of winning another championship for Boston,” said Green.

The New Orleans Hornets have signed guard Brian Roberts. 

Roberts, who played in all five Summer League games for the Hornets (three starts) averaged 13.8 points, 2.2 assists and 2.0 rebounds in 27.4 minutes per game while shooting 50.0% from the field, 54.5% from three-point range and 93.8% from the line. The 6’1’’ Toledo, OH native played for Brose Baskets Bamberg in Germany last season, leading the team to the German National Championship.

The Dayton alum also won the German League title with Bamberg in 2009-10 and 2010-11.

The Magic have re-signed Ish Smith.

Smith will assume the role of backup point guard behind Jameer Nelson.

Smith has played for the Rockets, Grizzlies and Warriors.

The Detroit Pistons has signed 2012 second-round draft selection Khris Middleton to a contract. 

Middleton, who was selected as an early-entry candidate with the 39th pick in the 2012 NBA Draft, played three seasons at Texas A&M averaging 11.3 points, 4.6 rebounds and 2.0 assists in 87 career games.

The Los Angeles Lakers have signed Jodie Meeks and have has also re-signed Devin Ebanks.

Meeks, a three-year NBA veteran, appeared in 66 games (50 starts) last season with the Philadelphia 76ers, averaging 8.4 points, 2.4 rebounds and 0.8 assists in 24.9 minutes.

Ebanks has career averages of 3.6 points, 1.8 rebounds and 0.30 assists in 44 games.

The Cleveland Cavaliers have signed center Micheal Eric to a contract.

Eric, 24, played in 101 games (68 starts) at Temple, averaging 6.0 points on .503 shooting, 4.6 rebounds and 1.1 blocks in 16.9 minutes per game. As a senior in 2011-12, he played in 19 games (15 starts) and averaged 9.0 points on .521 shooting while leading the team in rebounds (8.8) and blocks (2.1) in 25.1 minutes per game. He missed 13 games during the season due to a fractured right patella.

Eric, a 6-foot-11, 240-pound native of Nigeria, played in five games with the Cavaliers in the 2012 NBA Summer League in Las Vegas and averaged 4.0 points on .667 shooting and 3.8 rebounds in 12.6 minutes per game.

The Bulls have finalized a contract with first round draft pick Marquis Teague.

"It feels good to finally get it out of the way," Teague said. "I just want to get in the gym and start working out."

Teague agreed to a slotted salary of $857,000 in his first season and is expected to earn 120 percent of the slotted rate in the following years.

Teague was the last first round pick to sign a guaranteed contract.

The Oklahoma City Thunder signed Daniel Orton to a contract.

Orton (6-10, 255 pounds) appeared in 16 games (two starts) during the 2011-12 season as a member of the Orlando Magic and recorded averages of 2.8 points and 2.5 rebounds in 11.7 minutes per contest.

Orton attended Bishop McGuiness High School in Oklahoma City.

The Suns have signed P.J. Tucker to a two-year contract.

Tucker, a 6-foot-6, 224-pound forward, performed well in the Las Vegas Summer League.

“In Las Vegas this summer P.J. impressed our entire front office and coaching staff with his approach to the game, both on and off the court,” said Suns General Manager Lance Blanks. “It was obvious to all of us that P.J.’s aggressive style of play will fit well with our organization. We are very excited to have him as part our team going forward.”

Tucker has played professionally in Puerto Rico (Quebradillas), Italy (Fabi Shoes MGR), Greece (Aris), Ukraine (BC Donetsk), Israel (Bnei Hasharon), and most recently in Germany (Brose Baskets).