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If they are from different angles just cut the shot of the non-shiftied one halfway through and go right into the second half of the shiftied one. Cool effect and it won't be a repeat.
This is unless he has a different outfit on in the two shots or is hitting significantly different jumps. Try to make it subtle.
On that note, twice in Refresh they did this, Once with Casabon and once with Hornbeck, where they had different outfits on in the two shots.
The first was on that rail on the side of the parking garage by Casabon. In the first shot he has his jacket on, and after the cut he doesn't.
The second one is on that rainbow rail over the swing set by Hornbeck. He goes into the rail with red pants on, and nollies at the top. It cuts to the start of the nollie from the other side of the swing set, and he has tan pants on.