The Kicker - S6-E11
Revealing mistake: During the scene after Robert breaks the window with the football, if you look close at the broken window, you can tell that it is some sort of thin material and not glass. Around the break the "glass" is flapping in the breeze like paper. (00:12:20)
The Kicker - S6-E11
Visible crew/equipment: After Robert throws The Ball through the window, if you look between Ray and the door frame, you can see the arm and leg of the crew member that actually threw The Ball through the window. (00:12:15)
Answer: War.
By whom?
Edwin Starr.