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Associated Press
Miami Heat president Pat Riley, left, guard Ray Allen, center, and head coach Erik Spoelstra, right hold up Allen's jersey after Allen signed an NBA basketball contract with the Heat, Wednesday, July 11, 2012, in Miami. (AP Photo/Lynne Sladky)

The Miami Heat got two more shooters. The Orlando Magic, at least for now, are keeping their center.

A flurry of deals were completed Wednesday and another one was put on hold on the first day contracts could be signed in the NBA.

Ray Allen and Rashard Lewis inked their deals with the NBA champions, who will rely on their perimeter accuracy to create more space on the court for LeBron James and Dwyane Wade.

The Spurs announced Tim Duncan was staying in San Antonio and the Knicks completed a sign-and-trade to bring Marcus Camby to New York. But there's no deal for the best big man of them all in the NBA right now.

The Magic can't find an agreement they like for All-Star center Dwight Howard, who has asked for a trade to Brooklyn. The Magic have tried to accommodate, only to find nothing from the Nets that fit their desires.

Instead, the Nets re-signed their current center, Brook Lopez, to an extension. He had been linked to the Howard trade talk for months but knows he will at last begin the season in Brooklyn, ineligible to be traded until Jan. 15.

Teams were able to begin signing players at 12:01 a.m. EDT Wednesday. Deron Williams got a quick start, signing his five-year, $98 million extension with the Nets while in Las Vegas for the U.S. Olympic team's training camp right after the window opened.

Even though he hasn't been able to get Howard, Nets general manager Billy King kept Williams, traded for All-Star guard Joe Johnson and forward Reggie Evans, kept starting forward Gerald Wallace and signed Bosnian forward Mirza Teletovic.

In other moves:

Blake Griffin signed a five-year extension that could pay him about $95 million with the Clippers.

Ryan Anderson, has a new home. After leading the league in 3-pointers last season and winning the NBA's Most Improved Player award, he was dealt by the Magic to New Orleans for Mexican Gustavo Ayon.

The Hornets have three days to decide if they want Eric Gordon to play with Anderson. He signed an offer sheet in Phoenix for four years and $58 million, but New Orleans has three days to match the deal for the restricted free agent.

The Knicks brought Marcus Camby back to New York in a sign-and-trade with Houston and re-signed guard JR Smith. They were still working to complete deals with Jason Kidd and Steve Novak, both of which had already been agreed to.

And even with Kidd coming aboard, Jeremy Lin will enter next season as the Knicks' starting point guard. Coach Mike Woodson repeated that the Knicks would "absolutely" match an offer sheet Lin had agreed to sign with Houston, and that he would go to training camp as the starter.

The Toronto Raptors acquired point guard Kyle Lowry from Houston and signed fellow guard Landry Fields to a three-year offer sheet worth nearly $20 million that the Knicks would have three days to match.

Golden State sent Dorell Wright to the Philadelphia 76ers in a three-team trade that moved guard Jarrett Jack from the New Orleans Hornets to the Warriors.

The Portland Trail Blazers and free agent J.J. Hickson have agreed to a 1-year deal.

Seven-foot center Chris Kaman tweeted that he has agreed to a deal with the Dallas Mavericks.

The Thunder announced the signings of Hasheem Thabeet, the overall No. 2 pick in 2009, and undrafted free agent Hollis Thompson.