Ethan Carter III and Rockstar Spud last week became the latest in a long line of TNA stars to appear on WWE TV.
And while working for Vince McMahon is usually great news for your bank balance, this jump is not without risk. Leaving behind the Impact Zone means swapping an environment in which your skills are appreciated for one where you have everything to prove.
As many wrestlers before the pair have found out, it's not always easy to acclimatise to the demands of the world's number one wrestling promotion. Ability in the ring is suddenly no longer enough in and of itself, with microphone skills and an intangible "it" factor taking on greater significance.
The good news for EC3 and co. is that an increasing amount (though not all) of WWE's Impact acquisitions have flourished in their new workplace, many of them establishing themselves among the company's most popular performers, helped - not hindered - by their experiences in TNA's six-sided ring.
But which of them have done best?
(Note that this list won't literally feature every wrestler who has performed for both companies. Kurt Angle, Christian, et al - who already reached the very top of WWE the first time round - aren't included. Ditto the likes of CM Punk, who was only in TNA about a minute.)