WWE 2K17

This achievement seems a little dodgy, but this is the way I unlocked it.

First I went to the option menu, and selected 'GAME BALANCING'. From there I put the 'ENTRANCE RUN-IN' and 'MID MATCH RUN-IN' on the lowest setting (to make sure that there are no run ins pre-victory). After this I put the 'POST MATCH RUN-IN' on max. After this, press accept (start button).

Then go to the play menu, one on one, normal. I selected Randy Orton versus Seth Rollins, with Entrance Off and Momentum on Fast. After this I went into match options (with Y) and selected the WrestleMania 32 arena. I activated Title Match with the WWE World Heavyweight Championship on the line, with Randy Orton as the defending champ (if Randy is not yet your champion you can let him win it in another match, or simply go to MyWWE, Title Management and change it there).

I played the match, with Randy winning (again, playing as him). Don't press A, but wait for Bray Wyatt (who came out in my game) to enter the arena. This post match thing triggered for me in this scenario every single time, at least when doing immediate rematches.

And now it becomes iffy, because it only pops if you reverse a certain move, not by just beating the crap out of them or using your finisher, or something like that. I thought reversing Wyatt's finisher would do the trick, but it seemed like I reversed a random move because Wyatt did not have his finisher yet. I advise to reverse everything he throws at you and if you don't get it, just do a rematch and repeat the process until it pops, it worked for me that way. Good luck!