Chris Jericho has taken to social media to show off his physique amid his absence from AEW. He appears to be in incredible shape following rumors that he could be headed back to WWE.The former AEW World Champion has not been seen in the promotion since April this year. During his absence, he has focused on his endeavors outside the ring, including tours with his band, Fozzy, and appearances at conventions and other major events. His contract with the Tony Khan-led company is set to expire by the end of the year, which has led to speculation about his departure and potential move to WWE. Today, Chris Jericho celebrated his 55th birthday. He took to Instagram to post a photo of himself seemingly after a brief workout, showing off his impressive physique following this life milestone. The veteran looked to be in excellent shape.See his post below:"55…," Jericho posted. View this post on Instagram Instagram PostChris Jericho recently reunited with a former ally of his in WWEAmid rumors of Chris Jericho leaving AEW after more than six years with the company, he was spotted with one of the people he had worked closely with in WWE before his departure.This was Kevin Owens, and the two posted a photo they shared seemingly at a hockey game. Jericho referenced their partnership in the Stamford-based promotion when they referred to each other as "best friends."WrestlePurists @WrestlePuristsLINKKevin Owens and Chris Jericho together at the Tampa Bay Lightning vs. Dallas Stars game! (IG | chrisjerichofozzy)It is unclear what the future holds as The Nueve has not made any concrete moves just yet. There may be contract negotiations between the three sides, with WWE and AEW seeking ways to gain his favor. It remains to be seen whether he'll decide to re-sign with the Tony Khan-led promotion or go for one more run in the company that started it all for him. Anything is possible at this point.