It was a performance to forget for the talented right tackle -- and it started with a clean whiff of a Kayvon Thibodeaux inside move before not kicking out to a wide defensive end a few snaps later. Membou wasn't brutal in the run game, but he didn't look good handling his pass-pro assignments in this contest.

NFL notes from preseason Week 2: Standout rookies, struggling units, new trends emerging, and more.

Key takeaways from preseason Week 2, plus an impressive turnaround from Cincinnati's first-round pick amid Trey Hendrickson trade rumors.