We know what we have with Morris. We have yet to discover what we have with Zeke. He has the greater ceiling.
Having said that, I wouldn't be upset if Morris started. I thought that would be the case in preseason, i.e., starting Morris and letting Zeke come in when defenses are worn down. I think this way, Zeke has a better chance to break a long run.
Believe it or not, running styles sometimes dictate success. You ever wonder why one guy seems to get bottled up and another guy can come in and have success? It's because team's game plan against certain players.
I think if we start Morris, it'll be different. Nevertheless, any spot duty he has done well so it doesn't matter to me either way who starts.