Yeah, I think there is a perception that Lewan had a good game against Clowney. I don't see it.
He gave up 4 pressures to Clowney, and a 5th one that would have counted if not for the timely chip by the LG when Clowney had Lewan on skates. He did a pretty decent job when Clowney tried to attack outside. But one of the things I noticed about Clowney after finishing breaking down 7 games from this past year is that he's not a very good edge rusher. The majority of his pressures come either with an inside swim or the quick inside move through the B gap. He does beat guys with the outside swim, and I'll give Lewan credit for negating that the few times he tried to use it, but like all tackles, he had nothing when Clowney went inside.
He also missed 4 blocks in the running game, not including the infamous hit. That wasn't his fault, the TE was supposed to block down on Clowney on that play. But there were 4 other times where Clowney was able to get penetration on a run play, and a couple of times he made the play in the backfield.
He didn't give up a sack, and I think people mistakingly think that means he did a good job against him. But there are tackles I watched this past year that are projected to be mid-round picks (Mizzou's Justin Britt for one) that did just as good a job. So either that means Britt is a lot better than we think, or Lewan isn't quite as good.
I'd still put Lewan in the first round, but IMO he's a late 1st. But just like QBs, LTs IMO have a tendency to get pushed up the board because everybody wants a good one, and most don't have him.
"Vincere scis, Hannibal, victoria uti nescis" -- Maharbal, 216 B.C.E.