I know there were several bad calls last night including a couple that benefited the Cowboys so this is just about trying to understand the logic in why they called this a penalty.
This is from the NFL Rules on Offensive Pass Interference ..
PASS INTERFERENCE - It is pass interference by either team when any act by a player more than one yard beyond the line of scrimmage significantly hinders an eligible player’s opportunity to catch the ball. Pass interference can only occur when a forward pass is thrown from behind the line of scrimmage, regardless of whether the pass is legal or illegal, or whether it crosses the line.
This is the play where they called pass interference on Tolbert blocking ..
The screenshot is the right at the moment Tolbert initiated contact with the defender.
Did they really think the dender was going to catch that ball if he was not blocked?