He definitely has power, but his last knock out with his hands was Marcus Davis in 2010. He's had a few knock outs since then - all were with his feet.
He's the real hardest hitting 145er, remember?
Stephens is often hyped as a brutal KO-artist, but I'm not feeling it. If only counting fights from his UFC-stint his record shows that he's about as likely to win by decision as he is by knockout, which is pretty darn average.
What are your thoughts, Sherdog?