John Cena concluded his legendary in-ring career last weekend at Saturday Night's Main Event. After a valiant effort against Gunther in his final in-ring outing, The Cenation Leader tapped out for the first time in over two decades. That said, while Cena may have wrestled his last match in WWE, he will remain with the company as an ambassador. However, there are still other hats he could wear in the global juggernaut after bidding adieu to in-ring competition.In this listicle, we will look at four WWE roles for John Cena after his retirement:#4. John Cena could take over Shawn Michaels' role in NXTShawn Michaels currently serves as Senior Vice President of Talent Development Creative for NXT. HBK is the driving force behind the developmental brand's creative.John Cena has shown great interest in shaping the company's future. He even insisted on showcasing the up-and-coming superstars on his retirement show. Cena could be the perfect replacement for Michaels if the latter joins the creative team of the main roster alongside Triple H.#3. On-screen general managerWhile John Cena may not wrestle again, he could still participate in the weekly product as the general manager. The current GMs, Nick Aldis, Adam Pearce, and Ava Raine, have been an important part of the show since they were appointed.Having Cena take control of a brand on-screen could be a great way to keep him included in the product. The Never Seen 17 could replace Nick Aldis, who could lace up his wrestling boots once again.#2. Performance Center CoachWWE's Performance Center has been an important part of the company since its inception, helping the new signees learn the art of professional wrestling from some of the best coaches in the industry.Given Cena's enthusiasm regarding the future, he could join the Performance Center as a guest coach. The 17-time world champion could share the learnings from his iconic career with the up-and-coming talent.#1. Head of Creative with Triple HAfter retiring as an in-ring competitor, John Cena could assume a backstage role in WWE. As the Head of Creative, Triple H is currently responsible for which creative direction the company takes.Cena could join The Game in this role and oversee the creative aspect of WWE. Just as Triple H seamlessly transitioned to a backstage role in the company, the 48-year-old could do the same. With his vast experience as the face of the promotion, Cena could prove to be a great asset in a behind-the-scenes role.