I believe they would be ready to make the switch if they weren't so depleted with injuries this early on. If Glennon flopped with Cam Meredith, Kevin White, Marcus Wheaton, Kyle Long and Josh Sitton on the field this soon, I could see the switch happening immediately. Missing the majority of your best offensive players makes it tough to march out the one piece this franchise needs. I agree when Long is ready then the clock starts ticking. Could be Green Bay or the game after.