WATCH: This K.J. McDaniels Block Was So Vicious, It Gave Someone A Concussion (Seriously)

Usually, it's the players on the wrong end of vicious blocks...but this time, it was an innocent bystander.

In a game last month against the Toronto Raptors, Sixers swingman K.J. McDaniels swatted a Greivis Vasquez shot so hard, it literally concussed a fan in the audience.

[embed]http://www.youtube.com/watch?v=x0dtXFtU3_0[/embed]

McDaniels reportedly sent the female fan flowers to apologize.

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