I do think Bucky will still be an NCAA tournament team, but I highly doubt they are a legitimate final four contender and Big Ten champ, especially if Dekker leaves.
The main reason is that this will be one of the first few years that Bo will have to depend heavily on multiple freshmen. That, and I think people somewhat underestimate how much having a guy like Kaminsky helps their guards and wings get open looks and shots. It will be much easier defending Bucky with Vitto Brown and Ethan Happ which will give Koenig, Showalter, and the incoming freshmen much more difficulty. I do think you will see Bucky return to a slower, defensive oriented game if they lose Dekker.
The main reason is that this will be one of the first few years that Bo will have to depend heavily on multiple freshmen. That, and I think people somewhat underestimate how much having a guy like Kaminsky helps their guards and wings get open looks and shots. It will be much easier defending Bucky with Vitto Brown and Ethan Happ which will give Koenig, Showalter, and the incoming freshmen much more difficulty. I do think you will see Bucky return to a slower, defensive oriented game if they lose Dekker.