I haven't watched Asomugha much this year, but the way people talked about him made me think he was much better than he actually is.
You are right, Moss beat him all day. The Touchdowns aren't the only things that matter, Asomugha could not cover Randy Moss, period. I don't know if Moss had something to prove - which I'm sure he did - but I really thought Asomugha could shut him down, or at least slow him down.