Also, former Sixers guard Lou Williams will miss the remainder of the season after suffering a torn right ACL in the Hawks' game Friday night (see story).
Here's a look at some notable NBA games on Sunday's slate:
The streaky Celtics look to get back on track Sunday night when they visit a Detroit team playing for the first time since its trip to London.
After losing four straight Dec. 27-Jan. 2, Boston won six in a row. The Celtics (20-19), however, have since suffered back-to-back losses at home - the latest coming when Marco Belinelli made an off-balance fadeaway with 3.1 seconds left to give Chicago a 100-99 overtime victory Friday.
That's praise Russell Westbrook will likely never receive, but the point guard has been the Thunder's best shooter of late.
Durant and Westbrook will try to lead NBA-leading Oklahoma City to a seventh consecutive win and second over Denver in five days Sunday.
Named an All-Star starter the day before, Durant scored a career-high 52 points in a 117-114 overtime win over Dallas on Friday. He went 13 of 31 from the field, 5 of 9 from 3-point range and hit all 21 of his free throws.
Mavericks at Magic, 6 p.m.
The Orlando Magic's last two victories have come against division leaders. They just haven't been able to get the job done against teams below .500.
Orlando will try to avoid a seventh consecutive defeat to an opponent with a losing record when the Dallas Mavericks seek a seventh straight road win in this series Sunday night.
After ending a 10-game skid with a 104-101 victory over the Pacific Division-leading Los Angeles Clippers on Jan. 12, Orlando was routed 120-91 by league-worst Washington on Monday.
The Magic (14-25) rebounded with one of their better performances of the season, a 97-86 victory over Central Division-leading Indiana on Wednesday, but they opened a stretch of five in a row against teams with losing records with a 106-100 loss to Charlotte on Friday.
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