10: Richard Sherman
The Seattle Sea Hawks cornerback has been involved in a number of controversies during his relatively short career in the NFL.
He's been involved in well publicised Twitter feuds, challenged the authority of his elders on numerous occasions an just generally been a thorn in the side of anyone who comes up against him.
His cockiness and brash attitude, particularly when measured against his age (25) make him an easy target, and a large number of NFL fans don't like his approach in the slightest.
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