Roman Reigns had a match with Big Show on Monday Night Raw in Corpus Christi, Texas this week and while enjoyment of the encounter will vary from fan to fan there's no doubting Reigns' toughness for eating this knee to the face:
(GIF via Wrestling With Text)
Reigns' mouth being open at the time the knee connects gave it that extra umph. Show's knee hits with just enough force to get that wobble effect.
Ouch.