Aries took a kick from NXT Champion Shinsuke Nakamura, resulting in the dreaded "X" from the referee. The match was then stopped but Aries did leave on his own, sporting a black eye. There was talk that Aries may have suffered a broken jaw but it looks like he suffered a bad cut to the eye at the very least.
Just saw a report regarding this. Also saw the video. Apparently Austin Aries was trying to execute Discus Forearm but Nakamura kicked him which led to this injury.
I hope that this injury isn't much serious. It looks like one though. Here's the video:
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