nah gai wouldn't be outmatched by this kid. I think that's simply over analyzation. Time's probably past faster than we can tell. . or the operation was simple for tsunade - i'm sure they'll explain.
whatever the case, i can't see any REAL reason why it wouldn't be Rock.
I hope i'm right i'd like to see Rock in action again. =\

"The Reinforcement arrives with the gust of wind, but has Lee's body recovered already?"
^^ takin from the inane sub. and since it asks that question; it probably hasn't fully.