Coby Fleener took a huge shot during the New Orleans Saints tilt with the Los Angeles Rams, and exited to the sideline momentarily.
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Despite the play drawing a defenseless receiver penalty and replays clearly showing helmet-to-helmet contact, Fleener wasn't put into concussion protocol.
https://gfycat.com/gifs/detail/OilyOrangeIndianpalmsquirrel
Fleener wasn't checked for a concussion, according to the broadcast, and he returned to the game only to drop a pass.
He was eventually diagnosed with a concussion.
https://twitter.com/alexmarvez/status/934940846218244096
Someone's got some explaining to do. With all the precautions in place, there's no reason this should be a thing any longer.