while a combination of both could be a factor, Sanchez was clearly off-target on a number of his throws. It was tough to watch.
Your remark about Tebow reminded me of this article
Week 4 Quick Hits: Niners Show How to Run Option Play
The 49ers jumped to an insurmountable 7-0 lead over the hapless Jets and then piled on 27 extra points for good measure. The most poetic part of this New York nightmare was the first touchdown. It was scored on an option play by the second-year quarterback Colin Kaepernick. You might think the Jets should have been ready for the option given that they see it all the time in practice. But keep in mind, theyre not used to seeing it run by someone with light feet, fluid speed and an N.F.L.-caliber arm.
On the following series, the Jets cutely tried to match the Niners. Tim Tebow actually completed a short jump pass to tight end Dedrick Epps out of an option-type look. But immediately upon making the catch, Epps hurt his knee and fumbled.
http://fifthdown.blogs.nytimes.com/2012/10/01/week-4-quick-hits-niners-show-how-to-run-option-play/