James Slipper has spoken about the lengthy process behind his decision to make a comeback to the Wallabies at the age of 37.

James Slipper has spoken about the lengthy process behind his decision to make a comeback to the Wallabies at the age of 37.

Recently retired Australia prop forward James Slipper is set for a shock international comeback, with the 37-year-old eyeing a fifth Rugby World Cup on home soil next year.

Veteran prop James Slipper was named in coach Joe Schmidt's 37-strong Australia squad for the opening three Tests of the Nations Championship on Friday, with a trio of potential…