I don't think they did .. if you look at the critical counter it was still at 28 for the limit (since it was a normal hit)
and 35 for counter.
Zack was in BT, and Rig did 1P, 6PP
I tested it in the game (1.02), and sure enough ..
1P does trip stun on BT the same, and combos into the 6PP...