That match was not so good. To me, the word best used to describe Baron Corbin is: plodding. As in "slow-moving, unexciting...lacking in imagination or intelligence."
There have been those who have said that Cena has held down younger up and coming talent like Wade Barret or Alex Riley. This is the one case where if it's true, I am totally fine with it.
I think Corbin's work is really good. His stuff is basic, but solid and he's a pretty good bumper and seller. He just doesn't have much in the way of charisma and can't talk for shit.
Wade kept getting injured right when he was getting over. I don't know about Riley, I've heard the stories but it's not like he was a young Cena or something.