The Oklahoma City Thunder led the NBA in efficiency differential during the preseason with a mark of +12.5.

During the 14-15 preseason, the Golden State Warriors had the league's best mark with +11.0, which became a first indicator of their jump as title contenders.

Here's the full rankings from the 15-16 preseason:

1. Thunder: 12.5
2. Celtics: 11.6
3. Grizzlies: 11.5
4. Wizards: 10.4
5. Hornets: 10.0
6. Pistons: 7.1
7. Raptors: 5.6
8. Pacers: 4.7
9. Knicks: 4.0
10. Suns: 3.9
11. Nuggets: 3.5
12. Kings: 3.3
13. Magic: 2.8
14. Blazers: 1.8
15. Jazz: 0.4
16. Heat: 0.0
17. Hawks: -0.7
18. Rockets: -0.7
19. Nets: -1.0
20. Warriors: -1.3
21. Spurs: -1.9
22. Lakers: -2.1
23. Bucks: -3.4
24. Bulls: -3.6
25. Pelicans: -3.6
26. Clippers: -4.2
27. Cavaliers: -6.5
28. 76ers: -8.6
29. Mavericks: -10.7
30. Wolves: -11.0

The Orlando Magic have waived center Greg Stiemsma.

Orlando’s roster now stands at 15.

Stiemsma appeared in two preseason games with the Magic, averaging 1.5 rebounds in 8.3 minutes per game.

The Orlando Magic have waived forward Melvin Ejim.

Orlando’s roster now stands at 16.

Ejim appeared in four preseason games with the Magic, averaging 3.5 points and 2.3 rebounds in 8.0 minutes per game.

Eddy Rivera (@ERivera7) of the Cauldron joins Nate Duncan (@NateDuncanNBA) to preview the Orlando Magic season.  

Topics include:  The hiring of Scott Skiles, the dynamic between CEO Alex Martins and GM Rob Hennigan, the development of the young players on the roster and their fit together, a season prediction, and grading the Magic front office.

Subscribe to the Dunc'd On Basketball Podcast on iTunes or via the XML feed.

Click here for other team previews from the Dunc'd On Basketball Podcast.

The Orlando Magic have waived guards Keith Appling and Jordan Sibert.

Orlando’s roster now stands at 17.

After clearing waivers, the two will join the Magic's D-League team, the Erie Bayhawks.

Channing Frye has been made available in trade talks by the Orlando Magic.

Frye signed a four-year, $32 million contract with the Magic in the 2014 offseason and doesn't fit in their long-term plans.

Frye is one of the NBA's best stretch bigs.