I thought that pass was fine. Spencer's read was about 3 seconds late. The DE was standing wide open in the endzone for 2 seconds before the defense realized what was going on. Shitty QB gonna Shitty QB
The rules guy explained it:
Since it wasn't the person that received the snap, you can't throw it away. It has to be within 5 yards of a receiver.
I've never heard of that