Mumbai, June 9 -- Former Australian batter Matthew Hayden named young South African star Tristan Stubbs as an "X-Factor" for Proteas in their ICC World Test Championship (WTC) final against Australia.

The young generation of South African cricketers, Tristan Stubbs, Ryan Rickelton, Marco Jansen, etc, would have to be a great support system to the veterans as the country aims to secure their first-ever world title in cricket as they take on Australia during the WTC final at Lord's from June 11 onwards.

Hayden, speaking to Star Sports, named Stubbs an "X-Factor," comparing his style to England great Kevin Pietersen, who also happens to be Stubbs' mentor as part of the Delhi Capitals (DC) franchise in the Indian Premier League (IPL).

Hayd...