Russell Westbrook calls on NBA to improve security for players after popcorn incident: 'I'm sick and tired of it'

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Russell Westbrook is sick and tired of being at the mercy of an NBA venue's security personnel to protect him from abuse from opposing fans.

After exiting Game 2 of the Wizards-76ers playoff series early with an apparent ankle injury Wednesday night, Westbrook hobbled off the court in the fourth quarter. As he made his way towards the tunnel, a Philadelphia fan dumped pop