Reggie Jackson is determined to pursue restricted free agency in search of a starting job next offseason.

Jackson and the Oklahoma City Thunder were unable to agree upon a contract extension.

Jackson is eager to prove his value out of the shadow of Russell Westbrook.

Jackson could be a target in restricted free agency that rival teams can pry from the Thunder.

“Bottom line,” one NBA general manager told Yahoo Sports, “how much are they willing to pay for Westbrook’s backup?”

Some teams believe Jackson could command a deal in the $13 million-$14 million-plus annual range.

Kevin Durant, Serge Ibaka and Russell Westbrook are on the books to make nearly $50 million next season.

Ricky Rubio and the Minnesota Timberwolves have agreed upon a four-year, $55 million extension.

Rubio has been one of the NBA's most creative passers since coming over from Spain in the 11-12 season, but his perimeter shot has remained a work in progress.

Rubio was the fifth overall pick in the 2009 NBA Draft.

Jimmy Butler rejected the Chicago Bulls' final contract extension offer on Friday and will become a restricted free agent in the summer of 2015.

“It came down to me deciding that I want to bet on myself,” Butler told Yahoo Sports in a text message on Friday. “It was about me believing that I put the work in this summer to become a better player with the hope that my improvement will give the Bulls a better chance to win a championship.”

The Bulls would have the option to match any offer sheet Butler were to sign on the open market, but it could threaten their payroll structure or allow him to become an unrestricted free agent in 2017. 

“All the [rookie extension] deals done so far have shown that teams are building around their stars of the future, and they’re compensating those players as such,” agent Happy Walters told Yahoo Sports on Friday. “I was under the impression Jimmy was also viewed as one of those future building blocks with the Bulls.

“We tried like heck to get something done, but ultimately, the Bulls wanted a ‘hometown’ discount. While understandable, I doubt their GM or coaches give Mr. Reinsdorf a discount when negotiating their own deals.”

Klay Thompson and the Golden State Warriors have agreed upon a four-year, $70 millon maximum contract extension.

The deal contains no options.

The Sacramento Kings reportedly made a late push to trade for Thompson by offering anyone other than DeMarcus Cousins or Rudy Gay.

Brandon Knight and the Milwaukee Bucks have broken off extension talks.

Knight plans to enter restricted free agency in 2015.

Knight was acquired by the Bucks from the Detroit Pistons in 2013.

Klay Thompson and the Golden State Warriors have not held new extension talks ahead of Friday's deadline.

Thompson would become a restricted free agent in 2015 without a new deal.

The Warriors had an opportunity to acquire Kevin Love this offseason, but decided parting ways with Thompson wasn't worth it.

Steve Kerr said he remains "quietly confident" that a deal could get done.

Kawhi Leonard and the San Antonio Spurs have broken off talks on a contract extension.

Agent Brian Elfus and Leonard have held firm on their desire for a maximum contract extension, something Spurs management won’t consider until July.

“We feel Kawhi is deserving of a max contract, and we are disappointed that something couldn’t get done,” Elfus told Yahoo Sports. “There’s no debating Kawhi’s value. The market has been set. He’s done everything the Spurs have asked of him, exceeded all of their expectations. Coach [Gregg] Popovich has gone out of his way to call Kawhi the future face of the franchise. We have great respect for the Spurs organization, but here, we simply agree to disagree.

“There will be no shortage of teams interested in Kawhi’s services next year. There will be a lot of contract scenarios available to us, and we will explore them all.”

San Antonio could sign Leonard to a five-year, $90 million-plus extension now or next summer, if the Spurs are willing to make him their designated player. But Leonard could also sign an offer sheet with a rival team that includes a player option in the third season that would allow him to potentially leave the Spurs in 2017. 

Sources say the Spurs want to keep Leonard's contract off the books until they can explore free agent targets, especially since Tim Duncan and Manu Ginobili could retire.

Leonard would have a significantly smaller cap hold than what would be the first season of a max or near-max extension.

Ricky Rubio is prepared to accept a four-year, $58 million deal from the Minnesota Timberwolves if he receives the offer.

The Wolves have offered a four-year, $52 million deal and could possibly go as high as $54 million.

Rubio would become a restricted free agent in the 2015 offseason if an extension cannot be reached.

According to Adrian Wojnarowski on early Friday evening, Rubio and the Wolves were making progress on a deal. "There's optimism, but no deal," wrote Wojnarowski.

The Utah Jazz and Alec Burks have reached agreement on a four-year, $42 million contract extension.

Burks' deal could climb to $45 million with reachable incentive clauses.

Burks, 23, is the third young Jazz player, along with Gordon Hayward and Derrick Favors, to reach a four-year new contract with the franchise.

Burks has developed into one of the NBA's better young shooting guards.

Jermaine O'Neal is not ruling out returning to the NBA for his 19th season after just turning 36.

“I can say If I don’t do well with this “being a fan” thing then I will think about playing again this year!” O’Neal tweeted Wednesday. “To be continued on this!

“But as of right now I’m enjoying working out, being a business man, watching my daughter volleyball games, and training my son! Perfect.”

Bob Myers, O’Neal’s former agent, said last month that the big man “probably” would not be with the Golden State Warriors this season as it already has three centers in Andrew Bogut, Festus Ezeli and Ognjen Kuzmic.