Jurgen Klopp's enraged facial contortions while berating the fourth official during Borussia Dortmund's Champions League match against Napoli in September earned him a two-match ban and a place in everyone's nightmares. Klopp's war against fourth officials continued during Dortmund's 3-1 win over Schalke because he will not rest until all of them live in fear of him.
While sitting on the bench, Klopp stuck his foot out to stop an errant ball, accidentally diverting it right into the back of the unsuspecting fourth official's head. Though it was a direct hit, it didn't seem to bother the official much since he just kept writing. This man will not be intimidated.
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Brooks Peck is the editor of Dirty Tackle on Yahoo Sports. Have a tip? Email him or follow on Twitter!

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