Overall, very very great work! While I tend to like more traditional, simple jerseys; I am a big fan of all the asymmetrical designs you created.
76ers: Not bad! I like the word mark on the front; however, it may be a tad too big. I also wonder what it would look like if the stripes on the shorts would continue on the jersey up to the pit and nix the striping along the collar and sleeve.
Warriors: I'm not feeling this one too much. The number font is a little clunky with the points. I am not a fan of the "Washington Redskins-esque" arrows on the shorts. Nice start though!
Nets: I like this a lot! The script is very nice; however, I think the "N" should be capitalized. The asymmetry is great! If the designs on the left had a little less width to them, the rest wouldn't feel as if it was getting pushed aside. Regardless, I still like this a lot!
Knicks: BEAUTIFUL! I love these! Could white be added in some spots like the numbers or the NOB? Sure, but I think you still have an incredibly strong concept.
Bucks: Also very nice! The only things I would change would be ditching the blue all together and not having "BUCKS" diagonal.
Pelicans: Looks good to me!
Miami: Great! I'm surprised how well these look without any black, mostly because of how prevalent the color is with their actual set.
Timberwolves: I think these would work well. Don't know how I feel about the trees on the jersey as well as shorts because it would look like two trees set atop of one another.
Houston: Love the rocket!
Pacers: Some might say it's too simple or bland, but I like this design quite a bit.
Chicago: I am all for the script font! I like the look a lot. I am not crazy on the side diamonds or the weight change with the shorts diamond.
Thunder: Surprisingly, I like these. The asymmetry works well and I think it'd be neat to see the shorts and jersey together in a mock up. The wordmark for "Thunder" looks great. I would change the font for the NOB though because it gets a little tough to read. I like the addition of white in certain areas. Around the side stripes looks fantastic. I also like it around "Thunder." I would maybe drop the white around the numbers and the stripe around the collar and sleeves.
Again, these are great concepts! Above are just personal opinions from someone who doesn't watch a ton of basketball. (I follow the NFL much more closely. Go Rams BTW) Hope this feedback helps and I can't wait to see more.