Knell won't be a starter, but he'll be a very valuable piece on the bench. He's a great shooter, and with the talent KY and team are bringing onto the team, much more defensive attention will have to be focused inside, resulting in more open looks for Knell on the outside.
I predict that he will get consistent minutes, and if he's really hitting on a particular night, he'll get significant minutes. He will be a key x-factor in BYU's success this upcoming season, and I think he'll be the key to several victories this year.
Just my opinion. I think those who are discounting Knell's value given all the talent coming in will be surprised by his contributions this year.