Rumor Roundup (Dec. 30, 2017): Undertaker return, John Cena match, Dolph Ziggler plan, more!

Speculating on the rumors surrounding pro wrestling is a favored pastime of many fans, perhaps second only to actually watching the matches. In this daily column, we take a look at the latest rumors being churned out by the pro wrestling rumor mill.

Important reminder: Rumors are just that -- rumors. None of this has been confirmed as legitimate news or fact, it's just circulating around the pro wrestling rumor mill. Remember, take it all with a grain of salt.

Rumors for the Day:

• The WrestleVotes Twitter account recently noted that there are still a lot of folks in WWE who believe Undertaker is done wrestling.
• Having said that, they're also saying Undertaker vs. John Cena is "not definite but certainly on the table."
• WrestleVotes also noted there is an idea of doing a WrestleMania 10 inspired angle with Dolph Ziggler where he returns to wrestle the US title tournament winner for the title in a ladder match.
• There has been talk big changes in wrestling podcasting could be coming in 2018 and Chris Jericho's move away from Podcast One to Westwood One could be the start of that.
• PW Insider recently noted that WWE had a Christmas party for the wrestlers after Raw on Monday and also picked up the hotel tabs for all Raw and SmackDown wrestlers in Chicago for working the holiday.

If you have heard of any interesting rumors that you'd like to add, feel free to post them in the comments section below. Just remember they are rumors and not confirmed as fact, so please take them as such. Have fun with it.