They’re both fighting over the same pile of scrap to build whatever they’re building to defeat the big bad, when they both reach for the same spare pattern buffer. It activates, releasing Scotty. He tsk’s their work, pulls up his sleeves and announces “Looks like two youngins in need of a miracle!”
Who would win?

Depends. Seducing women? MacGyver. Building a warp core? Strangely enough also MacGyver.
Geordi would reroute the phase inducers and reverse the polarity of the articulation frame.
MacGyver would rip up the carpet, unscrew a bulkhead, rip out an EPS conduit and duct tape them together
Rom
Scotty, of course.
I can see it
They’re both fighting over the same pile of scrap to build whatever they’re building to defeat the big bad, when they both reach for the same spare pattern buffer. It activates, releasing Scotty. He tsk’s their work, pulls up his sleeves and announces “Looks like two youngins in need of a miracle!”