The Rockets have renewed efforts to trade disgruntled center Omer Asik, with the Philadelphia 76ers emerging once again as a potential landing spot, league sources told on Tuesday.

The two teams engaged in serious discussions on an Asik deal in December, when the Rockets were trying to move the defensive-minded center so they could aggregate any players acquired for use in future deals. With that possibility long gone, Houston GM Daryl Morey has re-opened trade talks, and the Sixers have more payroll flexibility than any team in the league to make a deal work.

The Sixers are $11 million under the salary cap, meaning they can absorb Asik's $8.4 million salary without sending back any players. They also have to add $5.1 million to their payroll to meet the league's salary floor of $52.8 million.

According to executives who've engaged in conversations with Houston about Asik, Morey is still setting the price high for the Turkish 7-footer, who was lured away from the Bulls as a restricted free agent in 2012. The structure of the offer sheet Asik signed, which calls for him to be paid $15 million next season, has been problematic. Though his cap hit would be only $8.4 million in 2014-15, any team acquiring Asik before Thursday's deadline would face an expenditure of $17 million for him to play a little more than 100 games -- a tough sell for any owner under the restrictive CBA.