WWE RAW General Manager Adam Pearce shared a heartwarming tribute to John Cena ahead of tonight's edition of SmackDown. Cena will be wrestling his final match against Gunther tomorrow at Saturday Night's Main Event.The former NWA star shared a video to honor John Cena ahead of his retirement and noted that the legend was very coachable. The RAW GM added that Cena never made anyone he worked with feel unimportant and is an example of how to do things the right way."I want to thank you for not just being an example, but being the example guys like me point to as the way to do it. And you've done it so well. I appreciate the time we've shared, and I appreciate the time that you have given. You are far more generous than you have any right to be. And I thank you for it. You're the man. Thank you, John Cena," he said.You can check out Pearce's tribute in the Instagram post below: View this post on Instagram Instagram PostJohn Cena captured the Intercontinental Championship from Dominik Mysterio on WWE RAW last month in his hometown of Boston, MA. However, he dropped the title back to The Judgment Day star at Survivor Series after Liv Morgan interfered in the match.Popular WWE star calls out Adam PearceGrayson Waller recently named Adam Pearce as one of the worst GMs in WWE history.Speaking with Chris Van Vliet on the INSIGHT podcast, Waller blasted Pearce while in character and suggested that he was terrible at his job. The Australian star also revealed that he would love to fight the RAW GM someday."I think he’s one of the worst GMs we've ever had. I think we need to bring back the laptop, that laptop was way better than Pearce. The Anonymous Raw GM would have taken care of me and the New Day. Adam Pearce, he's not taking care of us... [Pearce] always has to be out there for it, doesn't he? Oh man, I'd love to fight Adam Pearce. Woods and Kofi, they get first shot, so I get third shot," Waller stated. [H/T: WrestleTalk]Grayson Waller @GraysonWWELINKAbsolutely ecstatic to be in Minnesota for day one of the Adam Pearce forced me to do this cause I called him bald tourIt will be interesting to see if WWE has any surprises planned for John Cena's retirement match tomorrow night.If you use the quote from the first half of this article, please credit Sportskeeda Wrestling for the transcription.