http://www.nfl.com/news/rulesdigest.html
Actions that do not constitute pass interference include but are not limited to:
(a) Incidental contact by a defender's hands, arms, or body when both players are competing for the ball, or neither player is looking for the ball. If there is any question whether contact is incidental, the ruling shall be no interference.
(b) Inadvertent tangling of feet when both players are playing the ball or neither player is playing the ball.
(c) Contact that would normally be considered pass interference, but the pass is clearly uncatchable by the involved players.
(d) Laying a hand on the receiver that does not restrict the receiver in an attempt to make a play on the ball. (e) Contact by a defender who has gained position on a receiver in an attempt to catch the ball.
Actions that constitute offensive pass interference include but are not limited to:
(a) Blocking downfield by an offensive player prior to the ball being touched.
(b) Initiating contact with a defender by shoving or pushing off thus creating a separation in an attempt to catch a pass.
(c) Driving through a defender who has established a position on the field.
None of your rules apply here. The defender CLEARLY is not fighting for the ball. It should have been a non-call at best, a PI on the Pittsburgh SteAler at worst.
Take your tainted title and accept that the majority of fans think the refs sucked in this game.
BTW - I am a RAIDER fan, so my only bias toward the Seabags is that I used to despise them in the AFC West.