You can watch to study from these channels:
Mark Hallman(goat,best advice for young hooper)
Keith Poitier Performance(he quitted creating content, but his old videos are very useful)
By Any Means Basketball(have very good workout,advice;breakdown players and analyst basketball Science)
coach frikki(have very good basketball resoure)
All hail cullen(have good entertainment basketball content, he is having a project to get a high school player ranked)
Do you have any good basketball channel?