Not sure when this video was from, but Glenn retired after 2006.
To continue on my previous post, this was mid career Manning. You can see they were still showing huddles, which eventually were almost non existant.
Kinda joking, but Saturday and all the linemen often complained that they spent so much time at the line, it was killing their legs and knees. Maybe that's why he went to GB
Originally Posted by TonyR
Manning’s offense is the simplest in the NFL, which has the benefit of making it 100% callable from the line of scrimmage, and with every play available.