[Murphy3]

but, Brown obviously has some issues with young's ability to throw the ball. in 17 possessions for young, they have thrown the ball only 19 times.

With Mock, you have much more use of your biggest weapons.. The Big 3 receivers.
With young, you don't have nearly as much of that threat at this point in his collegiate career.

so, it's not a "no brainer" as some may put it.