Rumour: The Undertaker vs Sting for for WWE Extreme Rules pay-per-view?

The Undertaker and Swing

There have been rumours lately that WWE was planning a match between The Undertaker and Sting for next Wrestlemania as Sting’s farewell match but as per new sources WWE is planning a match between The Undertaker and Sting at Extreme Rules. Extreme Rules is the next event after WrestleMania XXX.

Sting, also known as The Stinger is former TNA World Heavyweight Championship.

Video of The Stinger challenging The Undertaker for WrestleMania XXX:

https://www.youtube.com/watch?v=rBMF0mX-vn0