We certainly have plenty of talent at the RB position. Weber is coming off a 1,000 yd season, McCall has some wheels on him, Williams can be a very nice between the Tackles runner and JK looks like he has all the tools to be very similar to a Zeke style runner. As long as the O-line gets a good push and we have a deep ball threat at QB and WR, it should open up plenty of room for this stable of RB's to produce.
I agree with you for this year, just don;t see JK getting on the field (barring injuries of course) for anything outside of special teams right away. If he practices hard and shows he can be the guy, you know Urbz and the fellas won't hesitate to get him in the game.