I would switch from a deny defensive philosophy to a gap defensive philosophy.
Here's one of the best articles I've read detailing the differences:
http://grantland.com/the-triangle/virginia-defense-pack-line-dick-tony-bennett/
The deny defense that K prefers, with its reliance on rotations, defensive communication, when to help, when NOT to help, etc., is difficult for even veteran players to master. It's exceptionally difficult for first-year guys, who, obviously, we've become increasingly reliant upon. This year may have been an exception, given the presence of the unicorn (Zion), but I honestly believe our adherence to this philosophy over the last decade has cost us at least a couple of Final Four trips, simply because this defensive strategy didn't match our personnel.
I think it was someone on this board that posted this. From 2008-2017, in our losses in the NCAA Tournament, we gave up at least 44 points in the second half to every team. In 2 or 3 games we gave up over 50, and in one we gave up 65. 65!!!
Do you think that was just bad luck?
No.. it was bad strategy, exacerbated by our lack of depth (guys getting worn out in the 2nd half).
On offense...
More. Ball. Movement.
Over the last few years it seems like we end up identifying a couple of primary scorers, then everything ends up running through those two guys. I know K has said he doesn't want to stifle their instincts, but the instincts of 18 and 19 year olds are far from perfect. We need to incorporate more offensive sets that take advantage of multiple (not just two) player strengths. This past year... why in God's name are we not putting Zion in the pick and roll 5 times a game, either as the ball handler or the screener. For example.
K remains the best recruiter, and he is the best there's ever been as a motivator and communicator. And while I absolutely believe he is the GOAT, I have lost some confidence in him as a strategist/tactician. And I have read similar sentiments from people who know a lot more about this than I do.
I know that's quite a soliloquy, but those are a few thoughts anyway.