What MMA moves do you assign to pro-wrestlers?

Depends on their general size and style. Here's a pretty generic template of ground moves for non fighters, with logic:

Top Guard:
Small: Shotei - 50% - 0%
Medium: Knuckle Arrow - 30% - 0%
Large: Jackknife Pin - 20% - 100%

Bottom Guard:
-Bash

Top Sprawl
Small: Body Punch - 50% - 0%
Medium: Face Punch - 50% - 0%
Large: Spin to Back - 0% - 100%

Bottom Sprawl
-Drop Toe Hold

Top Back Mount
Small: Shotei - 60% - 0%
Medium: Knuckle Arrow - 40% - 0%
Large: Gedo Clutch - 0% - 100%

Back Mount Bottom
-Escape

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Now I have a basic rationale between the moves I pick here and the percents I set. The shotei is there for a bare knuckle fighter who doesn't know how to throw down some real ground and pound and also doesn't want to bust their own knuckles. It can also stand in for a grappler trying to pummel for position. The knuckle arrows are your usual pro wrestling style ground punches, think HHH and his "doosh doosh" punches or Stone Cold's punches from the Thesz Press. Then I picked the Jackknife Pin, which can work for a lighter weight or more technical type, although the lifting bomb can function for power/brawler types. From sprawl, I have the basic punches, but in late match, they spin to the back looking for a pin. Gedo Clutch isn't optimal for a back mount pin, but it's the only one. Then the Bash counter is wonderfully generic, the drop toe hold can be subbed for the waterwheel for larger guys, and the escape can be subbed for the back press in the same situation.

One of my main goals here is that no match is going to end off a move that doesn't make sense in a pro wrestling context.  No stoppages for a weak strike barrage, as the jackknife and the Gedo clutch are the only moves here that can take place in late match that can possibly net a win in a wrestling match.

Hope that makes a bit of sense, I always set moves and logic for the ground positions, as I run a wide variety of styles and wrestlers, so I want to ensure that my pro wrestlers can at least function properly if they get taken down.

I really wish there was something else from top guard that wasn't a pin or a submission, like a transition to a different position or a non-submission knuckle arrow, where they just punched them three times and stopped or whatever. It seems like that's the MMA position that's the most likely to happen, but there is literally only one non-match-ending move for a pro wrestler to do.