To be a motherfucker, I'm going with during.
He was so awesome during this total transition. Corporate Champion to People's Champion. Both have so many ups and so little negativity.
On a side note...
This doesn't seem like a real picture... like I find it so weird that The Rock is actually wrestling again. Hasn't really sunk in until then. Maybe I'm just a huge Attitude Era mark... but its so weird looking at this picture and going
"one of these things is not like the other"